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K3 Receiver mush

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Mike Cox

Re: K3 Receiver mush

If CONFIG:PB CTRL is set to .01 in CW mode, then, per the function
description in the K3 Owners Manual (pp. 62 in Manual Revision A1), you
will be limited to the Shift/Width controls mode only. Change PB CTRL to
.05 and you will also enable LO/HI cut on the controls.

73,
Mike

> On 2/26/2017 10:13 AM, Ted Bryant wrote:
>> In playing with Bob N6TV's suggested settings, I've discovered that on CW,
>> neither the Shift->LO Cut nor the Width->HI Cut controls change functions
>> when tapped. They appear fixed at SHIFT and WIDTH. Tapping them merely
>> displays their current setting. On SSB, they change and work as expected.
>> Is there a parameter setting somewhere that affects this? I've looked
>> through the release notes but see nothing.
>>
>> Using the latest firmware: 5.57
>>
>> 73, Ted W4NZ
>>
>>

Ted Bryant

Re: K3 Receiver mush

In reply to this post by Ted Bryant

Hello F5VJC,

Yes! You are correct. Thank you. That solved the problem.

73, Ted W4NZ

From: F5vjc [mailto:[hidden email]]
Sent: Sunday, February 26, 2017 11:48 AM
To: Ted Bryant
Subject: Re: [Elecraft] K3 Receiver mush

CONFIG PB CTRL SHIFT (set to .05) if set to .01 will cause this.

73 F5VJC

On 26 February 2017 at 16:13, Ted Bryant <[hidden email]> wrote:

In playing with Bob N6TV's suggested settings, I've discovered that on CW,
neither the Shift->LO Cut nor the Width->HI Cut controls change functions
when tapped. They appear fixed at SHIFT and WIDTH. Tapping them merely
displays their current setting. On SSB, they change and work as expected.
Is there a parameter setting somewhere that affects this? I've looked
through the release notes but see nothing.

Using the latest firmware: 5.57

73, Ted W4NZ

-----Original Message-----
From: Elecraft [mailto:[hidden email]] On Behalf Of Jim
Brown
Sent: Friday, February 24, 2017 1:54 PM
To: [hidden email]
Subject: Re: [Elecraft] K3 Receiver mush

On Thu,2/23/2017 6:32 PM, Bob Wilson, N6TV wrote:
> For reference, here are my preferred AGC and other settings for contesting
with a K3 and large CW pileups.

Bob's a great op, so I really appreciate seeing his settings. But they're
all run together in his email with no paragraphs or punctuation, so it's
very hard to read. I copied his settings into a word processor and added
paragraphs.

73, Jim K9YC

- - - - - - -

First, set *CONFIG:TECH MD ON* to un-hide some AGC settings.Set CONFIG:TECH
MD OFF when finished, to eliminate distracting values from accidentally
appearing in the SubRx display (PLL1, AFV, dBV, etc.)

*AF GAIN LO* -- Cuts audio hiss.May not work with all headphones.OK on Heil.

*AF LIM 20* -- Only takes effect when AGC is OFF (rarely used)

*AGC DCY Soft* -- Reduces AGC-induced IMD, recommended for pileups

*AGC HLD 0.05* -- Slow AGC hold time (50 ms).Reduces AGC-induced IMD,
recommended for pileups.Works with AGC-S only, no affect when using AGC-F.

*AGC PLS NOR* -- Loud static pulses do not pump AGC

*AGC SLP 010*-- A pretty "flat" AGC response curve.I may move this lower
since pileups of loud guys can blend together, but I like this setting
because it saves my ears.

*AGC THR 010* -- AGC kicks in at about S-8.Signals lower than THR behave as
they would with AGC OFF ( +1 dB of RF = +1 dB of audio)

*AGC -F 120* -- Factory default fast AGC decay rate (recovery time).Higher =
faster.Faster can be bad.

*AGC -S 20*-- Factory default slow AGC decay rate (recovery time).Higher =

faster.Faster can be bad.

*RF GAIN at 3 O'Clock or less* except when all signals and band noise are
very low (e.g. 10m)

*AF GAIN* never higher than 3 O'Clock

*AFX OFF*

*NR OFF*

*NB OFF*

*RIT OFF*

*XIT OFF*

FL1 to FL5 BW set to match labeled filter bandwidth exactly, not wider or
narrower.

Use *AGC-F* or *AGC-S* for CW, whatever works best for you.

Use *AGC-S* for SSB.

CW Pitch 500 (or to taste), IF shift centered (on CW)

500 Hz InRad 8-pole filter on CW

2.8 kHz 8-pole filter on SSB (1.8 8-pole when bands crowded, *must move IF
SHIFT lower for pleasing audio*)

Use *XFIL* button to toggle between filters and reset the IF shift, rather
than NOR (hold) button

*PREamp ON* for 15m and up, *PREamp OFF* for all other bands

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Guy Olinger K2AV

Re: K3 Receiver mush

In reply to this post by Mike Cox

On Sun, Feb 26, 2017 at 12:24 PM, Mike Cox <[hidden email]> wrote:

> If CONFIG:PB CTRL is set to .01 in CW mode, then, per the function
> description in the K3 Owners Manual (pp. 62 in Manual Revision A1), you
> will be limited to the Shift/Width controls mode only. Change PB CTRL to
> .05 and you will also enable LO/HI cut on the controls.

The K3 Owners Manual is up to revision D10 dated 8/24/2011 with errata
D10-8 dated 3/31/2015.

Seeing as both are PDF's and fully searchable, probably need to be current
as opposed to something dated back in 2007. Only 8 years out of date.

However, the warning you quoted is still in the newer text.

For myself, not being able to do 10 Hz shift is an issue for CW and the
very steep skirts using a roofing filter with DSP width set to the roofer
width. If the guy up or down gets a little too loud, just a dime Hz shift
or two or three will drop him right out. 50 Hz is way too coarse for that.

Also for normal QSK (not the one which turns on the display +), which *is*
very good with the new synthesizers, I do NOT lose RIT or XIT in QSK. With
the new syns regular QSK is more than adequate to hear between dits or
letters at 30 wpm on the RX antenna.

This is in spite of my having the Microham box and it's built-in WinKey
functions set for unbroken PTT assert to the Alpha 8410 on the TX antenna
until a word space has gone by. The K3 can't do RX/TX one way and it's PTT
out another.

So what I have is the very best of the fast and the very best of the slow
at the same time. I only hear in the right ear on the subRX when the 8410
is keyed, and I hear in between the dits. This allows me to hear when
someone calls late, just a bit after I start calling CQ again on a run.

Best of the fast.

But even though the K3 is cycling TX/RX very fast the 8410 is not banging
the vacuum relay to death trying to follow 30 wpm dits. 30 wpm QSK *does*
significantly shorten relay time to failure. Contesting, I've worn some out
in less than a year.

So to save me that, the Microham box keys up the amp with it's PTT before
it starts the key sequence to the K3. That's because *both* the paddle and
the PC logging program stream go to the Microham box which in turn keys the
K3. I also have inverted the Microham PTT keying to control 12 volt supply
to protect some sensitive stuff, better off not powered during TX.

Best of the slow.

Gotta say, if you don't have the new syns in your K3, that is an absolute
top-run improvement.

73, Guy K2AV
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Jim Brown-10

Vacuum Relays and 30 WPM QSK

On Sun,2/26/2017 3:04 PM, Guy Olinger K2AV wrote:
> But even though the K3 is cycling TX/RX very fast the 8410 is not banging
> the vacuum relay to death trying to follow 30 wpm dits. 30 wpm QSK*does*
> significantly shorten relay time to failure. Contesting, I've worn some out
> in less than a year.

I own three very nice vintage Ten Tec amps that use vacuum relays. All
of them came to me used, and I've replaced those relays in each amp at
least once. After a few rounds of that, I stopped running QSK with those
amps. :) I'd like to hear from others having experience with vacuum
relays and QSK at contesting speeds. I mostly work between 28 and 32
WPM. The original equipment relays were Jennings, and I've mostly used
Gigavac as replacements. I haven't had to replace one since giving up on
QSK about 8 years ago, but I really would like to run QSK. Have I made
the right decision to avoid it when running with a vacuum relay?

73, Jim K9YC

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WILLIE BABER

Re: Vacuum Relays and 30 WPM QSK

I have worn out vacuum relays in qsk amps too (replaced only one time in my 12 year-old Alpha 99). In fact, qsk with vacuum relays is not really qsk in that a vacuum relay is not as fast and silent as what I experienced using Alpha 89, which had switching diodes in it. Alpha 89 to me is the only qsk amp I have used (at ny4a). You could, in fact, hear been characters at 30 wpm.

I was disappointed when I purchased my first vacuum relay amp, Alpha 99. Alpha 99 was defined as qsk but it didn't switch like an Alpha 89. Seems silly now but since Alpha 99 was defined as "qsk" I expected it to behavior like Alpha 89.

I even looked around for awhile for an Alpha 89, but then learn how easy it is to blow the diodes in Alpha 89--many owners replaced those expensive diodes, once blown, with vacuum relays. So, I just decided to run "almost qsk" compared to Alpha 89.

73, Will, wj9b

CWops #1085
CWA Advisor levels II and III
http://cwops.org/

--------------------------------------------
On Mon, 2/27/17, Jim Brown <[hidden email]> wrote:

Subject: [Elecraft] Vacuum Relays and 30 WPM QSK
To: [hidden email]
Date: Monday, February 27, 2017, 9:28 PM

On Sun,2/26/2017 3:04 PM,
Guy Olinger K2AV wrote:
> But even though
the K3 is cycling TX/RX very fast the 8410 is not banging
> the vacuum relay to death trying to follow
30 wpm dits. 30 wpm QSK*does*
>
significantly shorten relay time to failure. Contesting,
I've worn some out
> in less than a
year.

I own three very nice
vintage Ten Tec amps that use vacuum relays. All
of them came to me used, and I've replaced
those relays in each amp at
least once.
After a few rounds of that, I stopped running QSK with those

amps. :) I'd like to hear from others
having experience with vacuum
relays and
QSK at contesting speeds. I mostly work between 28 and 32

WPM. The original equipment relays were
Jennings, and I've mostly used
Gigavac
as replacements. I haven't had to replace one since
giving up on
QSK about 8 years ago, but I
really would like to run QSK. Have I made
the right decision to avoid it when running
with a vacuum relay?

73,
Jim K9YC

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Dr. William J. Schmidt, II

Re: Vacuum Relays and 30 WPM QSK

In reply to this post by Jim Brown-10

Pin diode rf switches are preferred today. You can even get the QSK-5 kit from Ameritron if you can't make your own. Good to 2500 watts and infinite speed.

Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ

Owner - Operator
Big Signal Ranch – K9ZC
Staunton, Illinois

Owner – Operator
Villa Grand Piton - J68HZ
Soufriere, St. Lucia W.I.
Rent it: www.VillaGrandPiton.com

email: [hidden email]

> On Feb 27, 2017, at 10:28 PM, Jim Brown <[hidden email]> wrote:
>
>> On Sun,2/26/2017 3:04 PM, Guy Olinger K2AV wrote:
>> But even though the K3 is cycling TX/RX very fast the 8410 is not banging
>> the vacuum relay to death trying to follow 30 wpm dits. 30 wpm QSK*does*
>> significantly shorten relay time to failure. Contesting, I've worn some out
>> in less than a year.
>
> I own three very nice vintage Ten Tec amps that use vacuum relays. All of them came to me used, and I've replaced those relays in each amp at least once. After a few rounds of that, I stopped running QSK with those amps. :) I'd like to hear from others having experience with vacuum relays and QSK at contesting speeds. I mostly work between 28 and 32 WPM. The original equipment relays were Jennings, and I've mostly used Gigavac as replacements. I haven't had to replace one since giving up on QSK about 8 years ago, but I really would like to run QSK. Have I made the right decision to avoid it when running with a vacuum relay?
>
> 73, Jim K9YC
>
>
> ______________________________________________________________
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Vic Rosenthal

Re: Vacuum Relays and 30 WPM QSK

In reply to this post by Jim Brown-10

I just had to replace one in my TL922 after about 5 years. I'm not a contester, but sometimes I bang away in pileups for a while. I have finally taught myself not to use QSK unless I need it. Setting the delay in the K3 to just enough to keep the relays closed between CW elements is almost as good but saves a lot of operations.
When the pileup is fast enough that I want QSK, it's a button press away.
--
Vic 4X6GP

On February 28, 2017 6:28:06 AM GMT+02:00, Jim Brown <[hidden email]> wrote:

>On Sun,2/26/2017 3:04 PM, Guy Olinger K2AV wrote:
>> But even though the K3 is cycling TX/RX very fast the 8410 is not
>banging
>> the vacuum relay to death trying to follow 30 wpm dits. 30 wpm
>QSK*does*
>> significantly shorten relay time to failure. Contesting, I've worn
>some out
>> in less than a year.
>
>I own three very nice vintage Ten Tec amps that use vacuum relays. All
>of them came to me used, and I've replaced those relays in each amp at
>least once. After a few rounds of that, I stopped running QSK with
>those
>amps. :) I'd like to hear from others having experience with vacuum
>relays and QSK at contesting speeds. I mostly work between 28 and 32
>WPM. The original equipment relays were Jennings, and I've mostly used
>Gigavac as replacements. I haven't had to replace one since giving up
>on
>QSK about 8 years ago, but I really would like to run QSK. Have I made
>the right decision to avoid it when running with a vacuum relay?
>
>73, Jim K9YC
>
>
>______________________________________________________________
>Elecraft mailing list
>Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>Post: mailto:[hidden email]
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>Message delivered to [hidden email]

N2TK

Re: Vacuum Relays and 30 WPM QSK

In reply to this post by Jim Brown-10

For years with slower keying rigs I would key the amp which would key the
rig. This saved relays.
When Kenwood came out with the TS-930. 940 etc. they had very nice QSK. But
it was best to use a Mosfet or something to key the amp rather than the
internal rig's relay which was too slow.
I used to key my 2000A then key the rig till I got my first K3. Now I key
the K3 which keys the amp.

If I am running I do not use QSK. It gives my ears a break. But if I am
hunting and pecking I always use QSK and wish more did also to minimize QRM.

I have no complaints after 17 years of use of the 2000A and only having to
change the vacuum relay once. A very small price to pay for the luxury of
QSK.
And changing a vacuum relay is usually a lot cheaper than changing the
switching diodes which failed in quite a few Alphas.
Next time you have a vacuum relay fail cut it open to see if the contacts
are burnt from hot switching.

73,
N2TK, Tony

-----Original Message-----
From: Elecraft [mailto:[hidden email]] On Behalf Of Jim
Brown
Sent: Monday, February 27, 2017 11:28 PM
To: [hidden email]
Subject: [Elecraft] Vacuum Relays and 30 WPM QSK

On Sun,2/26/2017 3:04 PM, Guy Olinger K2AV wrote:
> But even though the K3 is cycling TX/RX very fast the 8410 is not
> banging the vacuum relay to death trying to follow 30 wpm dits. 30 wpm
> QSK*does* significantly shorten relay time to failure. Contesting,
> I've worn some out in less than a year.

I own three very nice vintage Ten Tec amps that use vacuum relays. All of
them came to me used, and I've replaced those relays in each amp at least
once. After a few rounds of that, I stopped running QSK with those amps. :)
I'd like to hear from others having experience with vacuum relays and QSK at
contesting speeds. I mostly work between 28 and 32 WPM. The original
equipment relays were Jennings, and I've mostly used Gigavac as
replacements. I haven't had to replace one since giving up on QSK about 8
years ago, but I really would like to run QSK. Have I made the right
decision to avoid it when running with a vacuum relay?

73, Jim K9YC

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Chester Alderman

Re: Vacuum Relays and 30 WPM QSK

In reply to this post by Dr. William J. Schmidt, II

Aren't PIN diodes still a high power 'pipe dream' for ham applications?? Alpha had only limited success with PIN switching, not because the diodes could not switch at high speeds with power, but way too many hams would test their antenna system with bad SWR, or tune their amp into a load with full power output.. While those PIN diodes could withstand the peak forward voltage at 1500 watts of power, very few of them could withstand the peak reverse voltage when the driven load had high SWR! Because most hams are not "careful" when tuning a high power amplifier, Alpha gave up the better PIN diode RF switch approach in favor of 'fast' mechanical relays.

I used to run QRQ CW speeds in excess of 60/70 wpm (and faster) with outputs of 1500 watts,, but I had to replace my TenTec Titan amp T/R relay annually! (Never could afford an Alpha amp until recently!)

73,
Tom - W4BQF

-----Original Message-----
From: Elecraft [mailto:[hidden email]] On Behalf Of Dr. William J. Schmidt
Sent: Tuesday, February 28, 2017 1:17 AM
To: [hidden email]
Cc: [hidden email]
Subject: Re: [Elecraft] Vacuum Relays and 30 WPM QSK

Pin diode rf switches are preferred today. You can even get the QSK-5 kit from Ameritron if you can't make your own. Good to 2500 watts and infinite speed.

Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ

Owner - Operator
Big Signal Ranch – K9ZC
Staunton, Illinois

Owner – Operator
Villa Grand Piton - J68HZ
Soufriere, St. Lucia W.I.
Rent it: www.VillaGrandPiton.com

email: [hidden email]

> On Feb 27, 2017, at 10:28 PM, Jim Brown <[hidden email]> wrote:
>
>> On Sun,2/26/2017 3:04 PM, Guy Olinger K2AV wrote:
>> But even though the K3 is cycling TX/RX very fast the 8410 is not
>> banging the vacuum relay to death trying to follow 30 wpm dits. 30
>> wpm QSK*does* significantly shorten relay time to failure.
>> Contesting, I've worn some out in less than a year.
>
> I own three very nice vintage Ten Tec amps that use vacuum relays. All of them came to me used, and I've replaced those relays in each amp at least once. After a few rounds of that, I stopped running QSK with those amps. :) I'd like to hear from others having experience with vacuum relays and QSK at contesting speeds. I mostly work between 28 and 32 WPM. The original equipment relays were Jennings, and I've mostly used Gigavac as replacements. I haven't had to replace one since giving up on QSK about 8 years ago, but I really would like to run QSK. Have I made the right decision to avoid it when running with a vacuum relay?
>
> 73, Jim K9YC
>
>
> ______________________________________________________________
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> [hidden email]

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Macro for setup of K3S for WSJT

In reply to this post by Ted Bryant

Before I beat my head against the wall (or re-invent the wheel); does someone have a micro to setup the K3S (or K3) for WSJT-X. What I am looking for is:
1. Set the mode to TX Data
2. Set mic sel to Line In
3. Set the filter to FL2 (2.7 KHz in my case)
4. Open up the pass band width to max
I think that is it; but I might have missed something??
Thanks,
Dick, K8ZTT
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Bill Frantz

Re: Macro for setup of K3S for WSJT

My experience is that if you set wsjt-x to use rig control, just
starting to monitor does most of the work. I end up in Data-A
mode. This automatically sets the mic sel to Link In. I already
have a macro to open up the bandwidth, which automatically sets
the filter to my FM filter. My macro for bandwidth is :

IS 1450;BW0230;

Note that this macro doesn't open up the bandwidth to the full
4K, which I do by turning the knobs. The K3 remembers the last
bandwidth I used, so I don't have to manually change it very often.

I hope this helps.

73 Bill AE6JV

On 12/13/17 at 8:58 PM, [hidden email] (RIchard
Williams via Elecraft) wrote:

>Before I beat my head against the wall (or re-invent the
>wheel); does someone have a micro to setup the K3S (or K3) for
>WSJT-X. What I am looking for is:
> 1. Set the mode to TX Data
>2. Set mic sel to Line In
>3. Set the filter to FL2 (2.7 KHz in my case)
>4. Open up the pass band width to max
>I think that is it; but I might have missed something??
>Thanks,
>Dick, K8ZTT

-----------------------------------------------------------------------
Bill Frantz | "The only thing we have to | Periwinkle
(408)356-8506 | fear is fear itself." - FDR | 16345
Englewood Ave
www.pwpconsult.com | Inaugural address, 3/4/1933 | Los Gatos,
CA 95032

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Bob McGraw - K4TAX

Re: Macro for setup of K3S for WSJT

In reply to this post by Elecraft mailing list

I find that WSJT and the radio configured for DATA does not need any
macro to accomplish this feat.

73

Bob, K4TAX

On 12/12/2017 10:58 PM, RIchard Williams via Elecraft wrote:

> Before I beat my head against the wall (or re-invent the wheel); does someone have a micro to setup the K3S (or K3) for WSJT-X. What I am looking for is:
> 1. Set the mode to TX Data
> 2. Set mic sel to Line In
> 3. Set the filter to FL2 (2.7 KHz in my case)
> 4. Open up the pass band width to max
> I think that is it; but I might have missed something??
> Thanks,
> Dick, K8ZTT
> ______________________________________________________________
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Re: Macro for setup of K3S for WSJT

In reply to this post by Bill Frantz

Bill,
Thanks for info; you know, I did not know about switching to Data A switches the input to line in.
I have a AM filter, but am not sure with band with FT8 uses, what advantage a wider filter than the stock SSB filter has.
Dick, K8ZTT

Sent from Yahoo Mail ohave an Android

On Tue, Dec 12, 2017 at 23:09, Bill Frantz<[hidden email]> wrote: My experience is that if you set wsjt-x to use rig control, just
starting to monitor does most of the work. I end up in Data-A
mode. This automatically sets the mic sel to Link In. I already
have a macro to open up the bandwidth, which automatically sets
the filter to my FM filter. My macro for bandwidth is :

IS 1450;BW0230;

Note that this macro doesn't open up the bandwidth to the full
4K, which I do by turning the knobs. The K3 remembers the last
bandwidth I used, so I don't have to manually change it very often.

I hope this helps.

73 Bill AE6JV

On 12/13/17 at 8:58 PM, [hidden email] (RIchard
Williams via Elecraft) wrote:

Don Wilhelm

Re: Macro for setup of K3S for WSJT

Dick,

While it is true that the input *can* be Line In for DATA A - it is not
the default (like on a Factory new K3 or K3S, when you first go to DATA
A mode you must use the MIC SEL to set it to LINE. After doing that, it
will be 'sticky'.

FT8 uses a very wide bandwidth (if available), and using the 13kHz
filter, you can stretch the K3/K3S bandwidth to 4kHz. The bandwidth is
limited to 4kHz because there is a low pass filter that takes away the
high frequency hiss and noise that is present on the bands, and several
hams find quite objectionable when listening to it for a significant
period of time.

While that high frequency "crud" is not a problem for digital modes,
there is not a way to turn off the LPF.

73,
Don W3FPR

On 12/13/2017 3:30 PM, RIchard Williams via Elecraft wrote:

> Bill,
> Thanks for info; you know, I did not know about switching to Data A switches the input to line in.
> I have a AM filter, but am not sure with band with FT8 uses, what advantage a wider filter than the stock SSB filter has.
> Dick, K8ZTT
>
> Sent from Yahoo Mail ohave an Android
>
> On Tue, Dec 12, 2017 at 23:09, Bill Frantz<[hidden email]> wrote: My experience is that if you set wsjt-x to use rig control, just
> starting to monitor does most of the work. I end up in Data-A
> mode. This automatically sets the mic sel to Link In. I already
> have a macro to open up the bandwidth, which automatically sets
> the filter to my FM filter. My macro for bandwidth is :
>
> IS 1450;BW0230;
>
> Note that this macro doesn't open up the bandwidth to the full
> 4K, which I do by turning the knobs. The K3 remembers the last
> bandwidth I used, so I don't have to manually change it very often.
>
> I hope this helps.
>
> 73 Bill AE6JV
>
> On 12/13/17 at 8:58 PM, [hidden email] (RIchard
> Williams via Elecraft) wrote:
>
>> Before I beat my head against the wall (or re-invent the
>> wheel); does someone have a micro to setup the K3S (or K3) for
>> WSJT-X. What I am looking for is:
>> 1. Set the mode to TX Data
>> 2. Set mic sel to Line In
>> 3. Set the filter to FL2 (2.7 KHz in my case)
>> 4. Open up the pass band width to max
>> I think that is it; but I might have missed something??
>> Thanks,
>> Dick, K8ZTT
>
> -----------------------------------------------------------------------
> Bill Frantz | "The only thing we have to | Periwinkle
> (408)356-8506 | fear is fear itself." - FDR | 16345
> Englewood Ave
> www.pwpconsult.com | Inaugural address, 3/4/1933 | Los Gatos,
> CA 95032
>
> ______________________________________________________________
> Elecraft mailing list
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> Help: http://mailman.qth.net/mmfaq.htm
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>
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>

Bob McGraw - K4TAX

Re: Macro for setup of K3S for WSJT

In reply to this post by Elecraft mailing list

As to bandwidth for RX, since the transmit data is limited in bandwidth
to the SSB bandwidth, I see no need to have the receiver BW any wider
than the TX bandwidth. Also, the RX low end likely doesn't need to be
any lower than the TX bandwidth low end roll off. Of course if you have
SPLIT selected in the software then the TX can effectively operate lower
by shifting the VFO accordingly.

73

Bob, K4TAX

On 12/13/2017 2:30 PM, RIchard Williams via Elecraft wrote:

> Bill,
> Thanks for info; you know, I did not know about switching to Data A switches the input to line in.
> I have a AM filter, but am not sure with band with FT8 uses, what advantage a wider filter than the stock SSB filter has.
> Dick, K8ZTT
>
> Sent from Yahoo Mail ohave an Android
>
> On Tue, Dec 12, 2017 at 23:09, Bill Frantz<[hidden email]> wrote: My experience is that if you set wsjt-x to use rig control, just
> starting to monitor does most of the work. I end up in Data-A
> mode. This automatically sets the mic sel to Link In. I already
> have a macro to open up the bandwidth, which automatically sets
> the filter to my FM filter. My macro for bandwidth is :
>
> IS 1450;BW0230;
>
> Note that this macro doesn't open up the bandwidth to the full
> 4K, which I do by turning the knobs. The K3 remembers the last
> bandwidth I used, so I don't have to manually change it very often.
>
> I hope this helps.
>
> 73 Bill AE6JV
>
> On 12/13/17 at 8:58 PM, [hidden email] (RIchard
> Williams via Elecraft) wrote:
>
>> Before I beat my head against the wall (or re-invent the
>> wheel); does someone have a micro to setup the K3S (or K3) for
>> WSJT-X. What I am looking for is:
>> 1. Set the mode to TX Data
>> 2. Set mic sel to Line In
>> 3. Set the filter to FL2 (2.7 KHz in my case)
>> 4. Open up the pass band width to max
>> I think that is it; but I might have missed something??
>> Thanks,
>> Dick, K8ZTT
> -----------------------------------------------------------------------
> Bill Frantz | "The only thing we have to | Periwinkle
> (408)356-8506 | fear is fear itself." - FDR | 16345
> Englewood Ave
> www.pwpconsult.com | Inaugural address, 3/4/1933 | Los Gatos,
> CA 95032
>
> ______________________________________________________________
> 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]