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SDRPlay as panadapter

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rlindzen

SDRPlay as panadapter

What has been peoples' experience with using SDRPlay with Win4K3 as a panadapter? How does this compare with the P3?
73, Dick WO1I
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Bob McGraw - K4TAX

Re: SDRPlay as panadapter

I use it very successfully with my K3S and HDSDR software. Makes for a nice 2nd receiver, although it takes a separate computer to support the operation. The P3 is a stand alone display. I don't have a P3 thus can't say with regard to performance.

Bob, K4TAX

Sent from my iPhone

> On Sep 26, 2017, at 12:18 PM, Richard Siegmund Lindzen <[hidden email]> wrote:
>
> What has been peoples' experience with using SDRPlay with Win4K3 as a panadapter? How does this compare with the P3?
> 73, Dick WO1I
> ______________________________________________________________
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ng7m

Re: SDRPlay as panadapter

In reply to this post by rlindzen

I used a SDRPlay RSP1 for awhile after using an LP-PAN2 with a
Win4K3Suite. It didn't take me long to switch back to the LP-PAN2. The
RSP1 was horrible in crowded band conditions like a contest or a DX
pileup... the display and noise floor would pump up and down really bad and
was very annoying. I have been tempted to try the RSP2 which is out now
because it has band filtering...

Anyway, the LP-PAN2 setup has 30dB better filtering and the fact that you
are taking the IF out of the K3, you also get the rigs band filtering in
the mix. If you want performance and are going to try something other than
a P3, I think the LP-PAN2 with Win4K3Suite is the best solution in my
opinion. The SDRPLay is a very simple setup however with Win4K3Suite where
LP-PAN2 and a sound card will require more setup.

For the total turnkey setup, I suspect the P3 might be the easiest... and
the performance is going to be great too... it's just more $$$ than the
other solutions.

Big thumbs up for Win4K3 Suite however... the latest version also pumps out
a UDP feed for the new N1MM+ spectrum display too, which works very well.

Max NG7M

On Tue, Sep 26, 2017 at 11:18 AM, Richard Siegmund Lindzen <[hidden email]
> wrote:

> What has been peoples' experience with using SDRPlay with Win4K3 as a
> panadapter? How does this compare with the P3?
> 73, Dick WO1I
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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dd0vs

Re: SDRPlay as panadapter

In reply to this post by rlindzen

Hello Richard, All,

i am using SDRPlay with may K3 at IF-Out multiple times for a self-skimmer-setup during contests.
Check my qrz-page https://qrz.com/db/DD0VS.

SDR software used is SDR Console V3, since this has a skimmer interface.

There is a second option, with KXV3 option, i looped in a power splitter between RX ANT IN and RX ANT OUT, one out back to RX IN and one to SDRPlay.

I am currently playing with this.

Hope that helps
vy73
Harald
DD0VS

Gesendet: Dienstag, 26. September 2017 um 19:18 Uhr
Von: "Richard Siegmund Lindzen" <[hidden email]>
An: "[hidden email]" <[hidden email]>
Betreff: [Elecraft] SDRPlay as panadapter
What has been peoples' experience with using SDRPlay with Win4K3 as a panadapter? How does this compare with the P3?
73, Dick WO1I
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Barry K3NDM

Re: SDRPlay as panadapter

In reply to this post by rlindzen

Max,
I use the rsp2. It works ok for what I do. No, it doesn't compare to my 24 bit. 192 kHz sound card. But, there is a big difference between a 12 or 14 bit ADC and a 24 bit ADC. Neither lets me see really weak signals.

I do not use the P3. It is the only piece of Elecraft produced gear that doesn't fit my station architecture. And, the rsp2 can't be used to drive apps like CW Skimmer. I guess what I'm saying is that you need to think about what you are trying to build, long term, and what it takes.

The LP-Pan and a good sound card make a good basis for flexibility. However, the maximum you can display, today, is around 190 kHz. And, you may not be able to see deeply into the noise.

73,
Barry
K3NDM

Sent from XFINITY Connect Mobile App

-----Original Message-----

From: [hidden email]
To: [hidden email]
Cc: [hidden email]
Sent: 2017-09-26 1:39:25 PM
Subject: Re: [Elecraft] SDRPlay as panadapter

I used a SDRPlay RSP1 for awhile after using an LP-PAN2 with a
Win4K3Suite. It didn't take me long to switch back to the LP-PAN2. The
RSP1 was horrible in crowded band conditions like a contest or a DX
pileup... the display and noise floor would pump up and down really bad and
was very annoying. I have been tempted to try the RSP2 which is out now
because it has band filtering...

Anyway, the LP-PAN2 setup has 30dB better filtering and the fact that you
are taking the IF out of the K3, you also get the rigs band filtering in
the mix. If you want performance and are going to try something other than
a P3, I think the LP-PAN2 with Win4K3Suite is the best solution in my
opinion. The SDRPLay is a very simple setup however with Win4K3Suite where
LP-PAN2 and a sound card will require more setup.

For the total turnkey setup, I suspect the P3 might be the easiest... and
the performance is going to be great too... it's just more $$$ than the
other solutions.

Big thumbs up for Win4K3 Suite however... the latest version also pumps out
a UDP feed for the new N1MM+ spectrum display too, which works very well.

Max NG7M

On Tue, Sep 26, 2017 at 11:18 AM, Richard Siegmund Lindzen <[hidden email]
> wrote:

--
M. George
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rlindzen

Re: SDRPlay as panadapter

Many thanks for the responses. I was thinking of using SDRPlay connected to the K3 IF out and Win4K3. The setup is extremely simple, but I wasn't sure what the downside was.
73, Dick WO1I

-----Original Message-----
From: BARRY LAZAR [mailto:[hidden email]]
Sent: Tuesday, September 26, 2017 2:04 PM
To: [hidden email]; Richard Siegmund Lindzen
Cc: [hidden email]
Subject: Re: [Elecraft] SDRPlay as panadapter

Max,
I use the rsp2. It works ok for what I do. No, it doesn't compare to my 24 bit. 192 kHz sound card. But, there is a big difference between a 12 or 14 bit ADC and a 24 bit ADC. Neither lets me see really weak signals.

I do not use the P3. It is the only piece of Elecraft produced gear that doesn't fit my station architecture. And, the rsp2 can't be used to drive apps like CW Skimmer. I guess what I'm saying is that you need to think about what you are trying to build, long term, and what it takes.

The LP-Pan and a good sound card make a good basis for flexibility. However, the maximum you can display, today, is around 190 kHz. And, you may not be able to see deeply into the noise.

73,
Barry
K3NDM

Sent from XFINITY Connect Mobile App

-----Original Message-----

From: [hidden email]
To: [hidden email]
Cc: [hidden email]
Sent: 2017-09-26 1:39:25 PM
Subject: Re: [Elecraft] SDRPlay as panadapter

I used a SDRPlay RSP1 for awhile after using an LP-PAN2 with a Win4K3Suite. It didn't take me long to switch back to the LP-PAN2. The
RSP1 was horrible in crowded band conditions like a contest or a DX pileup... the display and noise floor would pump up and down really bad and was very annoying. I have been tempted to try the RSP2 which is out now because it has band filtering...

Anyway, the LP-PAN2 setup has 30dB better filtering and the fact that you are taking the IF out of the K3, you also get the rigs band filtering in the mix. If you want performance and are going to try something other than a P3, I think the LP-PAN2 with Win4K3Suite is the best solution in my opinion. The SDRPLay is a very simple setup however with Win4K3Suite where
LP-PAN2 and a sound card will require more setup.

For the total turnkey setup, I suspect the P3 might be the easiest... and the performance is going to be great too... it's just more $$$ than the other solutions.

Big thumbs up for Win4K3 Suite however... the latest version also pumps out a UDP feed for the new N1MM+ spectrum display too, which works very well.

Max NG7M

On Tue, Sep 26, 2017 at 11:18 AM, Richard Siegmund Lindzen <[hidden email]
> wrote:

> What has been peoples' experience with using SDRPlay with Win4K3 as a
> panadapter? How does this compare with the P3?
> 73, Dick WO1I
> ______________________________________________________________
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> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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--
M. George
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tomb18

Re: SDRPlay as panadapter

In reply to this post by rlindzen

Hi,
Max's answer is right on the money.
If you never used a panadapter before, any of them will be a fine addition.
Also if you are not a avid contester, the RSP1, can't be beat for the money.
73 Tom

-----Original Message-----
From: M. George
Sent: Tuesday, September 26, 2017 1:34 PM
To: Richard Siegmund Lindzen
Cc: [hidden email]
Subject: Re: [Elecraft] SDRPlay as panadapter

I used a SDRPlay RSP1 for awhile after using an LP-PAN2 with a
Win4K3Suite. It didn't take me long to switch back to the LP-PAN2. The
RSP1 was horrible in crowded band conditions like a contest or a DX
pileup... the display and noise floor would pump up and down really bad and
was very annoying. I have been tempted to try the RSP2 which is out now
because it has band filtering...

Anyway, the LP-PAN2 setup has 30dB better filtering and the fact that you
are taking the IF out of the K3, you also get the rigs band filtering in
the mix. If you want performance and are going to try something other than
a P3, I think the LP-PAN2 with Win4K3Suite is the best solution in my
opinion. The SDRPLay is a very simple setup however with Win4K3Suite where
LP-PAN2 and a sound card will require more setup.

For the total turnkey setup, I suspect the P3 might be the easiest... and
the performance is going to be great too... it's just more $$$ than the
other solutions.

Big thumbs up for Win4K3 Suite however... the latest version also pumps out
a UDP feed for the new N1MM+ spectrum display too, which works very well.

Max NG7M

On Tue, Sep 26, 2017 at 11:18 AM, Richard Siegmund Lindzen <[hidden email]
> wrote:

--
M. George
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Larry (K8UT)

Re: SDRPlay as panadapter

In reply to this post by rlindzen

Dick,

I have both the SDRplay RSP1 and the LP-Pan. I have operated the SDRplay
using the K3S Rx Ant output and its IF output. Early comparisons between
SRDplay and LP-Pan were invalid due to a plastic case and cheap cables used
on the SDRplay - resulting in terrible noise floor and birdies on SDRplay
reception.

After inserting the SDRplay in a metal case, including an inline FM
broadcast filter, and replacing cheap cables, I now find the LP-Pan and
SDRplay performance to be nearly identical. Without lab instruments to
overcome my subjective comparison, I actually find myself preferring the
SDRplay.

-larry (K8UT)
-----Original Message-----
From: Richard Siegmund Lindzen
Sent: Tuesday, September 26, 2017 1:18 PM
To: [hidden email]
Subject: [Elecraft] SDRPlay as panadapter

What has been peoples' experience with using SDRPlay with Win4K3 as a
panadapter? How does this compare with the P3?
73, Dick WO1I
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Udo Langenohl - DK5YA

Re: SDRPlay as panadapter

So do I. Sold my LPPans recently and go with my RSP2.

Larry Gauthier (K8UT):
I actually find myself preferring the
> SDRplay.
>
> -larry (K8UT)
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Edward R Cole

Re: SDRPlay as panadapter

In reply to this post by rlindzen

Don't have the SDRPlay, but do have a SDR-IQ which operates using
Spectravue quite nicely. Noise floor below 550-KHz is -130 dBm and
with antenna noise varies -115 to -95 dBm in the 600m band.

I typically use it on the 28-MHz IF of my VHF and higher transverters.

I bought two LP-Pan1 (with mod to LP-Pan2) which are connected to my
K3 main and subreceiver's IF's. I can run them as panoramic band
span through a Delta soundcard for up to 192-KHz bandspan. The
LP-Pan are tied to a single LO for coherent dual IQ to recover
diversity reception.

73, Ed - KL7UW
http://www.kl7uw.com
Dubus-NA Business mail:
[hidden email]

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Wes Stewart-2

Re: SDRPlay as panadapter

I bought an RSP2pro last week. I just got off the phone with HRO arranging its
return.

I too use an SDR-IQ as a panadapter and as a decent lab spectrum analyzer if you
are careful and know what you're doing. Actually, I have two K3s so I have two
SDR-IQs. SpectraVue software is the only SDR software I've ever liked. It
interfaces with the K3 seamlessly. Every other program I've tried has been
installed and quickly uninstalled. Sometimes more than once, usually having me
ask myself, "Self, what were you thinking?" before uninstalling again.
Apparently, programmers do not think like normal people do and try to turn a
relatively simple tool into a video game.

Wes N7WS

On 9/26/2017 10:11 PM, Edward R Cole wrote:

> Don't have the SDRPlay, but do have a SDR-IQ which operates using Spectravue
> quite nicely. Noise floor below 550-KHz is -130 dBm and with antenna noise
> varies -115 to -95 dBm in the 600m band.
>
> I typically use it on the 28-MHz IF of my VHF and higher transverters.
>
> I bought two LP-Pan1 (with mod to LP-Pan2) which are connected to my K3 main
> and subreceiver's IF's. I can run them as panoramic band span through a Delta
> soundcard for up to 192-KHz bandspan. The LP-Pan are tied to a single LO for
> coherent dual IQ to recover diversity reception.
>
> 73, Ed - KL7UW
> http://www.kl7uw.com
> Dubus-NA Business mail:
> [hidden email]

markmusick

Re: SDRPlay as panadapter

Hi Wes,
Why are you returning the RSP2pro?

Mark, WB9CIF

-----Original Message-----
From: [hidden email] [mailto:[hidden email]] On Behalf Of Wes Stewart
Sent: Wednesday, September 27, 2017 10:21 PM
To: [hidden email]
Subject: Re: [Elecraft] SDRPlay as panadapter

I bought an RSP2pro last week. I just got off the phone with HRO arranging its return.

I too use an SDR-IQ as a panadapter and as a decent lab spectrum analyzer if you are careful and know what you're doing. Actually, I have two K3s so I have two SDR-IQs. SpectraVue software is the only SDR software I've ever liked. It interfaces with the K3 seamlessly. Every other program I've tried has been installed and quickly uninstalled. Sometimes more than once, usually having me ask myself, "Self, what were you thinking?" before uninstalling again. Apparently, programmers do not think like normal people do and try to turn a relatively simple tool into a video game.

Wes N7WS

On 9/26/2017 10:11 PM, Edward R Cole wrote:

> Don't have the SDRPlay, but do have a SDR-IQ which operates using
> Spectravue quite nicely. Noise floor below 550-KHz is -130 dBm and
> with antenna noise varies -115 to -95 dBm in the 600m band.
>
> I typically use it on the 28-MHz IF of my VHF and higher transverters.
>
> I bought two LP-Pan1 (with mod to LP-Pan2) which are connected to my
> K3 main and subreceiver's IF's. I can run them as panoramic band span
> through a Delta soundcard for up to 192-KHz bandspan. The LP-Pan are
> tied to a single LO for coherent dual IQ to recover diversity reception.
>
> 73, Ed - KL7UW
> http://www.kl7uw.com
> Dubus-NA Business mail:
> [hidden email]

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Wes Stewart-2

Re: SDRPlay as panadapter

Part of the reason is explained in my eham review. Note that I'm not the only
one to complain about SDRUno, maybe just the most blunt.

That said, I began to take it as a challenge to make it work, (my XYL thinks I'm
nuts) until I connected my tuned 30-meter dipole to it and tuned WWV on 10 MHz
and was able to copy a local AM broadcast station on 830 KHz at the same time.
It took at least 20 dB of additional attenuation to eliminate the problem (and
WWV), and this thing is supposed to have BC notch filtering.

My SDR-IQ doesn't flinch under the same conditions even though it takes 40 dB of
attenuation to keep it out of overload when tuned to KFLT on 830 KHz. I've
measured their daytime (50KW) signal at -3 dBm on my 160 inverted-L. That's
S9+70, but it's what I have to live with, so either I have a defective RSP or
it's a design I can't live with. Either way, it's going back.

Wes N7WS

On 9/27/2017 4:36 PM, Mark E. Musick wrote:

> Hi Wes,
> Why are you returning the RSP2pro?
>
> Mark, WB9CIF
>
> -----Original Message-----
> From: [hidden email] [mailto:[hidden email]] On Behalf Of Wes Stewart
> Sent: Wednesday, September 27, 2017 10:21 PM
> To: [hidden email]
> Subject: Re: [Elecraft] SDRPlay as panadapter
>
> I bought an RSP2pro last week. I just got off the phone with HRO arranging its return.
>
> I too use an SDR-IQ as a panadapter and as a decent lab spectrum analyzer if you are careful and know what you're doing. Actually, I have two K3s so I have two SDR-IQs. SpectraVue software is the only SDR software I've ever liked. It interfaces with the K3 seamlessly. Every other program I've tried has been installed and quickly uninstalled. Sometimes more than once, usually having me ask myself, "Self, what were you thinking?" before uninstalling again. Apparently, programmers do not think like normal people do and try to turn a relatively simple tool into a video game.
>
> Wes N7WS
>
>
> On 9/26/2017 10:11 PM, Edward R Cole wrote:
>> Don't have the SDRPlay, but do have a SDR-IQ which operates using
>> Spectravue quite nicely. Noise floor below 550-KHz is -130 dBm and
>> with antenna noise varies -115 to -95 dBm in the 600m band.
>>
>> I typically use it on the 28-MHz IF of my VHF and higher transverters.
>>
>> I bought two LP-Pan1 (with mod to LP-Pan2) which are connected to my
>> K3 main and subreceiver's IF's. I can run them as panoramic band span
>> through a Delta soundcard for up to 192-KHz bandspan. The LP-Pan are
>> tied to a single LO for coherent dual IQ to recover diversity reception.
>>
>> 73, Ed - KL7UW
>> http://www.kl7uw.com
>> Dubus-NA Business mail:
>> [hidden email]
> ______________________________________________________________
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Jim Brown-10

Re: SDRPlay as panadapter

Hi Wes,

There are probably at least a half dozen pieces of software written to
use the output of SDRs in the way that suits individual hams. SDRUno is
the one they paid someone for, but before I gave up on the radio, I'd
try the others. Most (if not all) are freeware. One of the first I'd
look at is Simon Brown's contribution (he was the original author of HRD
when it was freeware, sold it to current owners when he got tired of
answering support questions.

Another issue may be that you haven't figured out how to switch in the
BCB filter. That's another issue with all of this stuff --
documentation, user interface that not even the programmer's mother
could love, etc.

73, Jim K9YC

On 9/27/2017 6:33 PM, Wes Stewart wrote:

> Part of the reason is explained in my eham review. Note that I'm not
> the only one to complain about SDRUno, maybe just the most blunt.
>
> That said, I began to take it as a challenge to make it work, (my XYL
> thinks I'm nuts) until I connected my tuned 30-meter dipole to it and
> tuned WWV on 10 MHz and was able to copy a local AM broadcast station
> on 830 KHz at the same time. It took at least 20 dB of additional
> attenuation to eliminate the problem (and WWV), and this thing is
> supposed to have BC notch filtering.
>
> My SDR-IQ doesn't flinch under the same conditions even though it
> takes 40 dB of attenuation to keep it out of overload when tuned to
> KFLT on 830 KHz. I've measured their daytime (50KW) signal at -3 dBm
> on my 160 inverted-L. That's S9+70, but it's what I have to live with,
> so either I have a defective RSP or it's a design I can't live with.
> Either way, it's going back.
>
> Wes N7WS
>
> On 9/27/2017 4:36 PM, Mark E. Musick wrote:
>> Hi Wes,
>> Why are you returning the RSP2pro?
>>
>> Mark, WB9CIF
>>
>> -----Original Message-----
>> From: [hidden email]
>> [mailto:[hidden email]] On Behalf Of Wes Stewart
>> Sent: Wednesday, September 27, 2017 10:21 PM
>> To: [hidden email]
>> Subject: Re: [Elecraft] SDRPlay as panadapter
>>
>> I bought an RSP2pro last week. I just got off the phone with HRO
>> arranging its return.
>>
>> I too use an SDR-IQ as a panadapter and as a decent lab spectrum
>> analyzer if you are careful and know what you're doing. Actually, I
>> have two K3s so I have two SDR-IQs. SpectraVue software is the only
>> SDR software I've ever liked. It interfaces with the K3
>> seamlessly.   Every other program I've tried has been installed and
>> quickly uninstalled. Sometimes more than once, usually having me ask
>> myself, "Self, what were you thinking?" before uninstalling again.
>> Apparently, programmers do not think like normal people do and try to
>> turn a relatively simple tool into a video game.
>>
>> Wes N7WS
>>
>>
>> On 9/26/2017 10:11 PM, Edward R Cole wrote:
>>> Don't have the SDRPlay, but do have a SDR-IQ which operates using
>>> Spectravue quite nicely. Noise floor below 550-KHz is -130 dBm and
>>> with antenna noise varies -115 to -95 dBm in the 600m band.
>>>
>>> I typically use it on the 28-MHz IF of my VHF and higher transverters.
>>>
>>> I bought two LP-Pan1 (with mod to LP-Pan2) which are connected to my
>>> K3 main and subreceiver's IF's. I can run them as panoramic band span
>>> through a Delta soundcard for up to 192-KHz bandspan. The LP-Pan are
>>> tied to a single LO for coherent dual IQ to recover diversity
>>> reception.
>>>
>>> 73, Ed - KL7UW
>>>    http://www.kl7uw.com
>>> Dubus-NA Business mail:
>>>    [hidden email]
>> ______________________________________________________________
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>>
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>
> ______________________________________________________________
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Wes Stewart-2

Re: SDRPlay as panadapter

I guess I have to repeat myself:

"SpectraVue software is the only SDR software I've ever liked. It interfaces
with the K3 seamlessly. Every other program I've tried has been installed and
quickly uninstalled. Sometimes more than once, usually having me ask myself,
"Self, what were you thinking?" before uninstalling again. Apparently,
programmers do not think like normal people do and try to turn a relatively
simple tool into a video game. " Sorry Lyle:-)

And I did know how to turn the MF filter on and off.

Wes N7WS

On 9/27/2017 8:43 PM, Jim Brown wrote:

> Hi Wes,
>
> There are probably at least a half dozen pieces of software written to use the
> output of SDRs in the way that suits individual hams. SDRUno is the one they
> paid someone for, but before I gave up on the radio, I'd try the others. Most
> (if not all) are freeware. One of the first I'd look at is Simon Brown's
> contribution (he was the original author of HRD when it was freeware, sold it
> to current owners when he got tired of answering support questions.
>
> Another issue may be that you haven't figured out how to switch in the BCB
> filter. That's another issue with all of this stuff -- documentation, user
> interface that not even the programmer's mother could love, etc.
>
> 73, Jim K9YC

Dave Fugleberg

Re: SDRPlay as panadapter

If what you want is a good panadapter for the K3, the P3 is hard to beat,
in my opinion.

I started my panadapter journey on the K3 the cheapest way possible - a
softrock receiver on the IF, fed to the internal sound card on my PC. I was
never able to tame the large 'spike' at the IF frequency. I then switched
to an external USB sound card (Xonar U7) which was better, but still not
great. Then i got a SDRPlay RSP1, which makes a pretty decent panadapter,
but was not really happy with any of the SDR software that i tried (and I
tried several). Finally, I built a P3 kit. The P3 requires far less
fiddling around that any of the other things I used before. I was
concerned about the small display, but found it perfectly adequate for me.
Your mileage may vary.

I did hook up the RSP1 to the IF Out of the P3 to try it with Win4K3, with
the idea of getting 'point and click QSY' with the mouse. That worked, but
I found that I didn't really use it, so I'm back to just using the P3.
I guess I like the fact that it just works - no need to launch software,
mess with configuration of SDR options, fiddle with calibration to get the
frequency on the screen aligned with the frequency on the K3, etc.

I have not tried SpectraVue as suggested by N7WS...perhaps i should. I
found HDSDR and even Rocky just too much bother just to get a useful
panadapter. I do not have the SVGA option, so cannot comment on that.

My only gripe with the P3 is the way it implements the QSY function. You
need to move the marker with that tiny knob, then push the knob to make the
VFO jump to the marker. I often wind up bumping the rotational position of
the knob when pushing it in, and/or pushing the whole unit backwards on the
desk. So, I seldom use that function. Instead, I move the P3 VFOB
indicator to the signal of interest with the VFOB knob on the K3, and hit
A/B on the radio to jump there. If I could manipulate the markers and the
'QSY to marker' function with a KPod, I'd consider buying one.

On Thu, Sep 28, 2017 at 8:18 AM Wes Stewart <[hidden email]> wrote:

> I guess I have to repeat myself:
>
> "SpectraVue software is the only SDR software I've ever liked. It
> interfaces
> with the K3 seamlessly. Every other program I've tried has been
> installed and
> quickly uninstalled. Sometimes more than once, usually having me ask
> myself,
> "Self, what were you thinking?" before uninstalling again. Apparently,
> programmers do not think like normal people do and try to turn a relatively
> simple tool into a video game. " Sorry Lyle:-)
>
> And I did know how to turn the MF filter on and off.
>
> Wes N7WS
>
>
> On 9/27/2017 8:43 PM, Jim Brown wrote:
> > Hi Wes,
> >
> > There are probably at least a half dozen pieces of software written to
> use the
> > output of SDRs in the way that suits individual hams. SDRUno is the one
> they
> > paid someone for, but before I gave up on the radio, I'd try the
> others. Most
> > (if not all) are freeware. One of the first I'd look at is Simon Brown's
> > contribution (he was the original author of HRD when it was freeware,
> sold it
> > to current owners when he got tired of answering support questions.
> >
> > Another issue may be that you haven't figured out how to switch in the
> BCB
> > filter. That's another issue with all of this stuff -- documentation,
> user
> > interface that not even the programmer's mother could love, etc.
> >
> > 73, Jim K9YC
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]

gm3sek

Re: SDRPlay as panadapter

In reply to this post by Wes Stewart-2

N7WS wrote:

>
>"SpectraVue software is the only SDR software I've ever liked. It interfaces
>with the K3 seamlessly. Every other program I've tried has been installed
>and
>quickly uninstalled. Sometimes more than once, usually having me ask
>myself,
>"Self, what were you thinking?" before uninstalling again. Apparently,
>programmers do not think like normal people do and try to turn a relatively
>simple tool into a video game. " Sorry Lyle:-)
>

For measurement purposes I love the SDR-IQ and SpectraVue; but operating and contesting are a different application.

When operating, I focus almost entirely on the waterfall display because that presents a time-history of everything that has been happening for the past several minutes across the entire displayed bandwidth. The waterfall is a huge information resource. On an empty band the waterfall shows instantly where new stations are popping up, while on a full band it shows if there are any free channels and how long they have been free. Meanwhile the color shading shows which signals are strongest, and instantly identifies which ones are spreading more than they should.

Compared with that wealth of operating information from the waterfall, I find the spectrum-analyzer display is almost worthless (but remember we're talking about here operating, as distinct from making measurements).

To extract the maximum possible information from the waterfall, I normally maximize the vertical size, aiming for a time-span of 3-5 minutes. The spectrum analyzer display is always minimized (and if the display software allows, I get rid of it entirely). When operating, the waterfall display is front-and-center on a wide-screen monitor. For most modes, only the small log input windows need to share display space at the bottom of the screen, and all other operating windows are displayed on a second monitor. RTTY is the only exception, where multiple decoder windows take over the center screen and the waterfall has to take second place.

I currently have two K3s with different types of spectrum/waterfall displays. The HF/50MHz setup uses a P3, which of course has the advantage of very tight integration with the K3. However, I do find that the P3 requires the SVGA adapter to display the wealth of detail that the waterfall has to offer. The P3's own screen is bright and clear, but is simply too small (in terms of pixels). And unfortunately the P3/SVGA has a number of disadvantages compared with the SDR-PC competition. There is an issue with the P3SVGA's limited color palette which tends to suppress weaker signals. The P3 also lacks any method to QSY *quickly* across a wide frequency span to grab fleeting DX opportunities on a nearly empty band.

The other K3 is used with external VHF/UHF transverters, and for this application I decided not to buy another P3 but to play the market of separate SDRs and PC software.

The SDR is attached to the K3 at the transverter IF frequency of 28MHz, which gives much better display sensitivity than the 8.2MHz IF. For VHF/UHF contesting and DXing it is essential to display everything that lives and breathes across the entire "contest sub-band", which in Europe extends over at least 250kHz. Important multipliers tend to lurk at both the top and bottom ends of that range, so 200kHz is not acceptable. Several good SDRs with 190-200kHz maximum bandwidths, including the SDR-IQ and the P3, had to be ruled out for that reason. After some searching I found that the SDRplay RSP-1 delivered the best combination of dynamic range, available spectrum width (far more than I need) and value for money.

Again after some experimentation, I settled on the HDSDR software, which gives a very readable and sensitive display on the large screen and provides most of the facilities of a second receiver. Integration with the K3 was not easy to configure, but after some work it now has all the frequency agility that is so lacking in the P3. The SDR frequency is linked to VFO B on the K3, and can be tuned using any combination of the VFO B knob, point-and-click on the display (rolling the mouse wheel for fine tuning), clicking on the bandmap in N1MM+, or typing frequencies directly into the callsign window. Thanks to HDSDR's built-in Omnirig interface, any one of those frequency inputs will automatically update all the others. As a receiver, the SDR is more than adequate for searching the band and finding new stations to work, interleaved with calling CQ on the K3. If a new station appears on the SDR, its frequency is already pre-loaded into VFO B on the K3 so one tap of VFO A/B will sw
ap that signal into the K3, ready to call at the right moment.

I do share Wes's dislike of "video-game" displays. I hate how modern software so often arrives with every possible function activated at once... but if you take the time to strip away the dross, the end result can be quite lean and functional. Maximizing the waterfall display and hiding the controls tends to remove most of those annoyances, and the advantages of a really good panadapter have persuaded me to live with the rest.

73 from Ian GM3SEK

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Dave Fugleberg

Re: SDRPlay as panadapter

You raise some great points, Ian. The choice of which type of panadapter to
use, as well as how to configure and integrate it, depends greatly on what
your purpose is for using one in the first place. We certainly have an
abundance of riches in the choices available today!
You've inspired me to spend some more time tinkering with the RSP1 and
HDSDR. I use my K3 with transverters for VHF+ contesting as well, although
I'm usually a rover station so monitor space is very limited...
You said you connect the SDR at the 28 MHZ transverter IF... Do you simply
add it to the IF daisy chain on the receive side?
Thanks for the thoughtful response. I learn a lot from this list.
73 de W0ZF
On Sat, Sep 30, 2017 at 4:12 AM Ian White <[hidden email]> wrote:

> N7WS wrote:
>
> >
> >"SpectraVue software is the only SDR software I've ever liked. It
> interfaces
> >with the K3 seamlessly. Every other program I've tried has been
> installed
> >and
> >quickly uninstalled. Sometimes more than once, usually having me ask
> >myself,
> >"Self, what were you thinking?" before uninstalling again. Apparently,
> >programmers do not think like normal people do and try to turn a
> relatively
> >simple tool into a video game. " Sorry Lyle:-)
> >
>
> For measurement purposes I love the SDR-IQ and SpectraVue; but operating
> and contesting are a different application.
>
> When operating, I focus almost entirely on the waterfall display because
> that presents a time-history of everything that has been happening for the
> past several minutes across the entire displayed bandwidth. The waterfall
> is a huge information resource. On an empty band the waterfall shows
> instantly where new stations are popping up, while on a full band it shows
> if there are any free channels and how long they have been free. Meanwhile
> the color shading shows which signals are strongest, and instantly
> identifies which ones are spreading more than they should.
>
> Compared with that wealth of operating information from the waterfall, I
> find the spectrum-analyzer display is almost worthless (but remember we're
> talking about here operating, as distinct from making measurements).
>
> To extract the maximum possible information from the waterfall, I normally
> maximize the vertical size, aiming for a time-span of 3-5 minutes. The
> spectrum analyzer display is always minimized (and if the display software
> allows, I get rid of it entirely). When operating, the waterfall display is
> front-and-center on a wide-screen monitor. For most modes, only the small
> log input windows need to share display space at the bottom of the screen,
> and all other operating windows are displayed on a second monitor. RTTY is
> the only exception, where multiple decoder windows take over the center
> screen and the waterfall has to take second place.
>
> I currently have two K3s with different types of spectrum/waterfall
> displays. The HF/50MHz setup uses a P3, which of course has the advantage
> of very tight integration with the K3. However, I do find that the P3
> requires the SVGA adapter to display the wealth of detail that the
> waterfall has to offer. The P3's own screen is bright and clear, but is
> simply too small (in terms of pixels). And unfortunately the P3/SVGA has a
> number of disadvantages compared with the SDR-PC competition. There is an
> issue with the P3SVGA's limited color palette which tends to suppress
> weaker signals. The P3 also lacks any method to QSY *quickly* across a wide
> frequency span to grab fleeting DX opportunities on a nearly empty band.
>
> The other K3 is used with external VHF/UHF transverters, and for this
> application I decided not to buy another P3 but to play the market of
> separate SDRs and PC software.
>
> The SDR is attached to the K3 at the transverter IF frequency of 28MHz,
> which gives much better display sensitivity than the 8.2MHz IF. For VHF/UHF
> contesting and DXing it is essential to display everything that lives and
> breathes across the entire "contest sub-band", which in Europe extends over
> at least 250kHz. Important multipliers tend to lurk at both the top and
> bottom ends of that range, so 200kHz is not acceptable. Several good SDRs
> with 190-200kHz maximum bandwidths, including the SDR-IQ and the P3, had to
> be ruled out for that reason. After some searching I found that the SDRplay
> RSP-1 delivered the best combination of dynamic range, available spectrum
> width (far more than I need) and value for money.
>
> Again after some experimentation, I settled on the HDSDR software, which
> gives a very readable and sensitive display on the large screen and
> provides most of the facilities of a second receiver. Integration with the
> K3 was not easy to configure, but after some work it now has all the
> frequency agility that is so lacking in the P3. The SDR frequency is linked
> to VFO B on the K3, and can be tuned using any combination of the VFO B
> knob, point-and-click on the display (rolling the mouse wheel for fine
> tuning), clicking on the bandmap in N1MM+, or typing frequencies directly
> into the callsign window. Thanks to HDSDR's built-in Omnirig interface, any
> one of those frequency inputs will automatically update all the others. As
> a receiver, the SDR is more than adequate for searching the band and
> finding new stations to work, interleaved with calling CQ on the K3. If a
> new station appears on the SDR, its frequency is already pre-loaded into
> VFO B on the K3 so one tap of VFO A/B will sw
> ap that signal into the K3, ready to call at the right moment.
>
> I do share Wes's dislike of "video-game" displays. I hate how modern
> software so often arrives with every possible function activated at once...
> but if you take the time to strip away the dross, the end result can be
> quite lean and functional. Maximizing the waterfall display and hiding the
> controls tends to remove most of those annoyances, and the advantages of a
> really good panadapter have persuaded me to live with the rest.
>
>
> 73 from Ian GM3SEK
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>

Bob McGraw - K4TAX

Re: SDRPlay as panadapter

I'm using the SDR Play {RSP 1} and HDSDR very successfully for my
needs. However, I do not use the IF output on either of my radios. I
use the SDR Play receiver by picking the signal off of the RX ANT IN
and OUT on my K3S and I pick the signal from the Band Pass filter of my
other two radios.

I find this provides superior resolution, viewing bandwidth, and
allows control of the radios via OMNIRIG which is built into HDSDR. The
communications are two way, thus changing the radio frequency/mode will
change the SDR Play or changing the frequency/mode on HDSDR will change
the radio. This allows the SDR Play to function as a tuneable 2nd
receiver or as locked with the radio.

73

Bob, K4TAX

On 9/30/2017 8:15 AM, Dave Fugleberg wrote:

> You raise some great points, Ian. The choice of which type of panadapter to
> use, as well as how to configure and integrate it, depends greatly on what
> your purpose is for using one in the first place. We certainly have an
> abundance of riches in the choices available today!
> You've inspired me to spend some more time tinkering with the RSP1 and
> HDSDR. I use my K3 with transverters for VHF+ contesting as well, although
> I'm usually a rover station so monitor space is very limited...
> You said you connect the SDR at the 28 MHZ transverter IF... Do you simply
> add it to the IF daisy chain on the receive side?
> Thanks for the thoughtful response. I learn a lot from this list.
> 73 de W0ZF
> On Sat, Sep 30, 2017 at 4:12 AM Ian White <[hidden email]> wrote:
>
>> N7WS wrote:
>>

Wes Stewart-2

Re: SDRPlay as panadapter

In reply to this post by gm3sek

My friend Ian makes some good points. Just to clarify though, the
SDR-IQ/SpectraVue combination does provide spectrum, waterfall and combinations
of the two viewing. Personally, I run the combo view. I guess thirty years of
sitting in front of real spectrum analyzers makes me like to see a spectrum
display and to like the clean layout of SpectraVue.

Wes N7WS

On 9/30/2017 2:11 AM, Ian White wrote:

> N7WS wrote:
>
>> "SpectraVue software is the only SDR software I've ever liked. It interfaces
>> with the K3 seamlessly. Every other program I've tried has been installed
>> and
>> quickly uninstalled. Sometimes more than once, usually having me ask
>> myself,
>> "Self, what were you thinking?" before uninstalling again. Apparently,
>> programmers do not think like normal people do and try to turn a relatively
>> simple tool into a video game. " Sorry Lyle:-)
>>
> For measurement purposes I love the SDR-IQ and SpectraVue; but operating and contesting are a different application.
>
> When operating, I focus almost entirely on the waterfall display because that presents a time-history of everything that has been happening for the past several minutes across the entire displayed bandwidth. The waterfall is a huge information resource. On an empty band the waterfall shows instantly where new stations are popping up, while on a full band it shows if there are any free channels and how long they have been free. Meanwhile the color shading shows which signals are strongest, and instantly identifies which ones are spreading more than they should.
>
> Compared with that wealth of operating information from the waterfall, I find the spectrum-analyzer display is almost worthless (but remember we're talking about here operating, as distinct from making measurements).
>
> To extract the maximum possible information from the waterfall, I normally maximize the vertical size, aiming for a time-span of 3-5 minutes. The spectrum analyzer display is always minimized (and if the display software allows, I get rid of it entirely). When operating, the waterfall display is front-and-center on a wide-screen monitor. For most modes, only the small log input windows need to share display space at the bottom of the screen, and all other operating windows are displayed on a second monitor. RTTY is the only exception, where multiple decoder windows take over the center screen and the waterfall has to take second place.
>
> I currently have two K3s with different types of spectrum/waterfall displays. The HF/50MHz setup uses a P3, which of course has the advantage of very tight integration with the K3. However, I do find that the P3 requires the SVGA adapter to display the wealth of detail that the waterfall has to offer. The P3's own screen is bright and clear, but is simply too small (in terms of pixels). And unfortunately the P3/SVGA has a number of disadvantages compared with the SDR-PC competition. There is an issue with the P3SVGA's limited color palette which tends to suppress weaker signals. The P3 also lacks any method to QSY *quickly* across a wide frequency span to grab fleeting DX opportunities on a nearly empty band.
>
> The other K3 is used with external VHF/UHF transverters, and for this application I decided not to buy another P3 but to play the market of separate SDRs and PC software.
>
> The SDR is attached to the K3 at the transverter IF frequency of 28MHz, which gives much better display sensitivity than the 8.2MHz IF. For VHF/UHF contesting and DXing it is essential to display everything that lives and breathes across the entire "contest sub-band", which in Europe extends over at least 250kHz. Important multipliers tend to lurk at both the top and bottom ends of that range, so 200kHz is not acceptable. Several good SDRs with 190-200kHz maximum bandwidths, including the SDR-IQ and the P3, had to be ruled out for that reason. After some searching I found that the SDRplay RSP-1 delivered the best combination of dynamic range, available spectrum width (far more than I need) and value for money.
>
> Again after some experimentation, I settled on the HDSDR software, which gives a very readable and sensitive display on the large screen and provides most of the facilities of a second receiver. Integration with the K3 was not easy to configure, but after some work it now has all the frequency agility that is so lacking in the P3. The SDR frequency is linked to VFO B on the K3, and can be tuned using any combination of the VFO B knob, point-and-click on the display (rolling the mouse wheel for fine tuning), clicking on the bandmap in N1MM+, or typing frequencies directly into the callsign window. Thanks to HDSDR's built-in Omnirig interface, any one of those frequency inputs will automatically update all the others. As a receiver, the SDR is more than adequate for searching the band and finding new stations to work, interleaved with calling CQ on the K3. If a new station appears on the SDR, its frequency is already pre-loaded into VFO B on the K3 so one tap of VFO A/B will sw
> ap that signal into the K3, ready to call at the right moment.
>
> I do share Wes's dislike of "video-game" displays. I hate how modern software so often arrives with every possible function activated at once... but if you take the time to strip away the dross, the end result can be quite lean and functional. Maximizing the waterfall display and hiding the controls tends to remove most of those annoyances, and the advantages of a really good panadapter have persuaded me to live with the rest.
>
>
> 73 from Ian GM3SEK
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>