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K3/0 all in one box?

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K3/0 all in one box?

About a year ago I had strongly considered getting the full size K3/0and putting the RemoteRig inside so it would be self contained.
Now with the K3/0 Mini it got me thinking that a nice accessory would be a box thatwould hold the Remote Rig, a small power supply and possibly a wireless adapter.That way the K3/0 Mini would just mount to the front making it one unit.
My thoughts being that it would only take a walloutlet and an Ethernet connection to be on the air.
Has Elecraft considered such an option?
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Barry Baines

Re: K3/0 all in one box?

Harry:

Interesting idea. Reducing "clutter" and simplifying hookup to only requiring power and internet access does have appeal. Not having to unplug and replug between K3/O-Mini and RemoteRig will reduce errors. For example, I have managed to connect the wrong item to the wrong port because the same connector type is used for IO and TTL on the RRC-1258. I've subsequently labeled all connections on the interface cable to try to minimize attaching to the wrong port.

My ham station is in Georgia and my primary residence is in Massachusetts, so I'm always traveling between the two locations. I take the K3/O-Mini, Remote Rig and headset/mic with me all the time. I ended up purchasing a Pelican Case to hold the K3/O-Mini, RemoteRig, power "warts" (one each to power RemoteRig and K3/O-Mini), Elecraft interface cable that goes between the K3/O-Mini and RemoteRig, a duplex power cord to plug both "warts," ethernet cable, and associated jumpers for the audio side along with a K3 "Nifty" Manual. I carry the headset/mic in a separate case.

In other words, there is a good amount of "stuff" that is needed when operating remote. One advantage of having the K3/O-Mini and Remote Rig be separate is that it allows the K3 to be placed in a very small space. For example, I'm using the K3/O-Mini sitting on a window sill in front of me above the laptop that is sitting on a built-in table along the wall in my office in Georgia away from the ham shack that is in a separate building (garage). A K3-sized device would take up a signifiant amount of table space on the desk and wouldn't function as well. This arrangement also allows the RemoteRig to be positioned closer to the ethernet connection (I don't use wireless) and power outlet, with only needing to string the cable between the RemoteRig and K3/O-Mini in my working area. That said, having a simplified connection process would be even better.

I do agree that there could be things done to simplify the connection process, but that would probably take a redesign of the RemoteRig interface. For example, since a 15-pin connector is used in the back of the K3/O-Mini to connect to the RemoteRig, it would be nice to have a corresponding 15-pin connector on the front end of RemoteRig to allow all connections to be made at once, eliminating the possibility of plugging the wrong item to the wrong connector. Or, perhaps Elecraft might consider reworking the RRC-1258 to fit within a slightly larger K3/O-Mini device and have all connections done internally. Either arrangement would require closer cooperation between Elecraft and RemoteRig and the development of a product specific for the K3 line.

In the meantime, I'd be interested to learn how others are dealing with setup and storage/transportation of their "portable" station equipment. Since I usually drive between MA and GA, there isn't any problem with having room in the vehicle for my "toys."

FWIW,

Barry Baines
WD4ASW

> On Jan 13, 2015, at 3:43 PM, Harry Yingst via Elecraft <[hidden email]> wrote:
>
> About a year ago I had strongly considered getting the full size K3/0and putting the RemoteRig inside so it would be self contained.
> Now with the K3/0 Mini it got me thinking that a nice accessory would be a box thatwould hold the Remote Rig, a small power supply and possibly a wireless adapter.That way the K3/0 Mini would just mount to the front making it one unit.
> My thoughts being that it would only take a walloutlet and an Ethernet connection to be on the air.
> Has Elecraft considered such an option?
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
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Elecraft mailing list

Re: K3/0 all in one box?

It would be nice if remote rig had a version that was that was a bit closer tailored to the K3/0
If I get the desire to get a K3 again I may just get someone to bend
me a custom sized box to hold the Remote Rig hardware and a PS

From: Barry Baines <[hidden email]>
To: Harry Yingst <[hidden email]>
Cc: Elecraft Reflector <[hidden email]>
Sent: Tuesday, January 13, 2015 4:29 PM
Subject: Re: [Elecraft] K3/0 all in one box?

Harry:

Interesting idea. Reducing "clutter" and simplifying hookup to only requiring power and internet access does have appeal. Not having to unplug and replug between K3/O-Mini and RemoteRig will reduce errors. For example, I have managed to connect the wrong item to the wrong port because the same connector type is used for IO and TTL on the RRC-1258. I've subsequently labeled all connections on the interface cable to try to minimize attaching to the wrong port.

My ham station is in Georgia and my primary residence is in Massachusetts, so I'm always traveling between the two locations. I take the K3/O-Mini, Remote Rig and headset/mic with me all the time. I ended up purchasing a Pelican Case to hold the K3/O-Mini, RemoteRig, power "warts" (one each to power RemoteRig and K3/O-Mini), Elecraft interface cable that goes between the K3/O-Mini and RemoteRig, a duplex power cord to plug both "warts," ethernet cable, and associated jumpers for the audio side along with a K3 "Nifty" Manual. I carry the headset/mic in a separate case.

In other words, there is a good amount of "stuff" that is needed when operating remote. One advantage of having the K3/O-Mini and Remote Rig be separate is that it allows the K3 to be placed in a very small space. For example, I'm using the K3/O-Mini sitting on a window sill in front of me above the laptop that is sitting on a built-in table along the wall in my office in Georgia away from the ham shack that is in a separate building (garage). A K3-sized device would take up a signifiant amount of table space on the desk and wouldn't function as well. This arrangement also allows the RemoteRig to be positioned closer to the ethernet connection (I don't use wireless) and power outlet, with only needing to string the cable between the RemoteRig and K3/O-Mini in my working area. That said, having a simplified connection process would be even better.

I do agree that there could be things done to simplify the connection process, but that would probably take a redesign of the RemoteRig interface. For example, since a 15-pin connector is used in the back of the K3/O-Mini to connect to the RemoteRig, it would be nice to have a corresponding 15-pin connector on the front end of RemoteRig to allow all connections to be made at once, eliminating the possibility of plugging the wrong item to the wrong connector. Or, perhaps Elecraft might consider reworking the RRC-1258 to fit within a slightly larger K3/O-Mini device and have all connections done internally. Either arrangement would require closer cooperation between Elecraft and RemoteRig and the development of a product specific for the K3 line.

In the meantime, I'd be interested to learn how others are dealing with setup and storage/transportation of their "portable" station equipment. Since I usually drive between MA and GA, there isn't any problem with having room in the vehicle for my "toys."

FWIW,

Barry Baines
WD4ASW

Jeff Griffin

Re: K3/0 all in one box?

In reply to this post by Elecraft mailing list

I already own a K3/0 mini, RRC-1258, power supply, etc. I would sell all of this and buy a K3/0 mini, and remote box as you describe, 'IF' it had an IF out at the control end of the station. I really don't think this would be real hard for Elecraft to do, but the market would have to dictate... What do you think Wayne :-)

73 Jeff kb2m

-----Original Message-----
From: Elecraft [mailto:[hidden email]] On Behalf Of Harry Yingst via Elecraft
Sent: Tuesday, January 13, 2015 15:44 PM
To: Elecraft Reflector
Subject: [Elecraft] K3/0 all in one box?

About a year ago I had strongly considered getting the full size K3/0and putting the RemoteRig inside so it would be self contained.
Now with the K3/0 Mini it got me thinking that a nice accessory would be a box thatwould hold the Remote Rig, a small power supply and possibly a wireless adapter.That way the K3/0 Mini would just mount to the front making it one unit.
My thoughts being that it would only take a walloutlet and an Ethernet connection to be on the air.
Has Elecraft considered such an option?
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Elecraft mailing list

Re: K3/0 all in one box? + P3/0

When you stop and think about it I really wonder if they could make a P3/0
For the most part much of the P3 screen does not change at any given moment.so if they only send the changes I would venture to say that much of it could besent over the wire much as we now send Voice Over IP.
Using the current chips for multimedia and possible some of the open source CODEXsit may be a workable item, though I would expect it to me a bit off a pricey option

From: "[hidden email]" <[hidden email]>
To: 'Elecraft Reflector' <[hidden email]>
Sent: Tuesday, January 13, 2015 5:27 PM
Subject: Re: [Elecraft] K3/0 all in one box?

I already own a K3/0 mini, RRC-1258, power supply, etc. I would sell all of this and buy a K3/0 mini, and remote box as you describe, 'IF' it had an IF out at the control end of the station. I really don't think this would be real hard for Elecraft to do, but the market would have to dictate... What do you think Wayne :-)

73 Jeff kb2m

-----Original Message-----
From: Elecraft [mailto:[hidden email]] On Behalf Of Harry Yingst via Elecraft
Sent: Tuesday, January 13, 2015 15:44 PM
To: Elecraft Reflector
Subject: [Elecraft] K3/0 all in one box?

About a year ago I had strongly considered getting the full size K3/0and putting the RemoteRig inside so it would be self contained.
Now with the K3/0 Mini it got me thinking that a nice accessory would be a box thatwould hold the Remote Rig, a small power supply and possibly a wireless adapter.That way the K3/0 Mini would just mount to the front making it one unit.
My thoughts being that it would only take a walloutlet and an Ethernet connection to be on the air.
Has Elecraft considered such an option?
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k6dgw

Re: K3/0 all in one box? + P3/0

Hmmm ... K3 1st IF is ~8 MHz. Could pose some problems for generally
available "<something>overIP" for many people. I/Q sounds like a better
way to go with a PX3? I guess that would require an outboard quadrature
demod at the "real" K3.

While I don't do remote stuff right now, we're eventually going to have
to sell our 5 ac and move to a 1-story house, probably with CC&R's.
Consequently, remote operation may be a part of my future. Since I got
the P3, it is the almost total focus of my concentration when operating
... I would hate to lose the functionality.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
- www.cqp.org

On 1/13/2015 3:27 PM, Harry Yingst via Elecraft wrote:
> When you stop and think about it I really wonder if they could make a
> P3/0 For the most part much of the P3 screen does not change at any
> given moment.so if they only send the changes I would venture to say
> that much of it could besent over the wire much as we now send Voice
> Over IP. Using the current chips for multimedia and possible some of
> the open source CODEXsit may be a workable item, though I would
> expect it to me a bit off a pricey option

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Don Wilhelm-4

Re: K3/0 all in one box?

In reply to this post by Jeff Griffin

Jeff,

I am not certain how you could send the 8 MHz IF signal over an Ethernet
link.
It may be possible to use some derivative of that signal - such as
hardware using the output of the SVGA option to send the digitized
result (SVGA signaling) of the IF passband to the control location, but
to directly have the 8 MHz IF output replicated at the control site is
much more complex and may be out of bounds for the FCC rules for amateur
radio (8 MHz is not within the amateur radio spectrum allocation).

73,
Don W3FPR

On 1/13/2015 5:27 PM, [hidden email] wrote:
> I already own a K3/0 mini, RRC-1258, power supply, etc. I would sell all of this and buy a K3/0 mini, and remote box as you describe, 'IF' it had an IF out at the control end of the station. I really don't think this would be real hard for Elecraft to do, but the market would have to dictate... What do you think Wayne :-)
>
>

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Edouard Lafargue

Re: K3/0 all in one box?

(First post on this reflector!)

Well, an ethernet link can go up to 10Gbit on modern ethernet links, so
sending an 8MHz signal with a decent sampling rate and resolution is
definitely possible, but only on a local network... As an extreme, the
Arecibo radiotelescope uses RF over fiber all over the place, given its
dimensions, and they are more often than not in the GHz range!

On the other hand, if you look at tools like websdr (
websdr.ewi.utwente.nl:8901), or the Open Source project ShinySDR (
https://github.com/kpreid/shinysdr) they simply do the FFT in the backend,
and just stream the image of the waterfall which for all practical purposes
works quite well - at least that would address the "remote P3/PX3" part to
a large extent. You would be able to visualize a very wide waterfall
remotely using a very reasonable bandwidth. So yes, a remote panadapter is
quite feasible...

My 2 cents, and hoping this brings value to the conversation :) (2 cents at
least)

Ed, W6ELA

On Tue, Jan 13, 2015 at 6:15 PM, Don Wilhelm <[hidden email]> wrote:

> Jeff,
>
> I am not certain how you could send the 8 MHz IF signal over an Ethernet
> link.
> It may be possible to use some derivative of that signal - such as
> hardware using the output of the SVGA option to send the digitized result
> (SVGA signaling) of the IF passband to the control location, but to
> directly have the 8 MHz IF output replicated at the control site is much
> more complex and may be out of bounds for the FCC rules for amateur radio
> (8 MHz is not within the amateur radio spectrum allocation).
>
> 73,
> Don W3FPR
>
> On 1/13/2015 5:27 PM, [hidden email] wrote:
>
>> I already own a K3/0 mini, RRC-1258, power supply, etc. I would sell all
>> of this and buy a K3/0 mini, and remote box as you describe, 'IF' it had an
>> IF out at the control end of the station. I really don't think this would
>> be real hard for Elecraft to do, but the market would have to dictate...
>> What do you think Wayne :-)
>>
>>
>>
> ______________________________________________________________
> 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]
>

Jeff Griffin

Re: K3/0 all in one box? + P3/0

In reply to this post by k6dgw

Sorry for my confusion, I was thinking IQ as the usable form of IF at the
control site, not the raw 8 mHz IF. My idea would be to somehow get the IQ
output from a LP-Pan or similar device, add another box on either end to
send and receive the IQ data, then simply use the control stations computer
soundcard and run your panadapter software of choice. Only problem here is I
don't have a clue on what to use for the remoting of the IQ output from the
LP-Pan...
All this non-portable, not suited for hotel room use would work for me as I
will be at a desktop computer for 6 months or so while remoting from my
summer home.
And of course to not stray from the original topic, it would be nice to
have the control station use a P3 with the extra data lines intergraded into
the 1258, or K3/0 mini mark II :-).

73 Jeff kb2m

-----Original Message-----
From: Elecraft [mailto:[hidden email]] On Behalf Of Fred
Jensen
Sent: Tuesday, January 13, 2015 19:59 PM
To: [hidden email]
Subject: Re: [Elecraft] K3/0 all in one box? + P3/0

Hmmm ... K3 1st IF is ~8 MHz. Could pose some problems for generally
available "<something>overIP" for many people. I/Q sounds like a better way
to go with a PX3? I guess that would require an outboard quadrature demod
at the "real" K3.

While I don't do remote stuff right now, we're eventually going to have to
sell our 5 ac and move to a 1-story house, probably with CC&R's.
Consequently, remote operation may be a part of my future. Since I got the
P3, it is the almost total focus of my concentration when operating ... I
would hate to lose the functionality.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
- www.cqp.org

On 1/13/2015 3:27 PM, Harry Yingst via Elecraft wrote:
> When you stop and think about it I really wonder if they could make a
> P3/0 For the most part much of the P3 screen does not change at any
> given moment.so if they only send the changes I would venture to say
> that much of it could besent over the wire much as we now send Voice
> Over IP. Using the current chips for multimedia and possible some of
> the open source CODEXsit may be a workable item, though I would expect
> it to me a bit off a pricey option

______________________________________________________________
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delivered to [hidden email]

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Edward R Cole

Re: K3/0 all in one box? + P3/0

In reply to this post by Elecraft mailing list

Jeff and others:

I suspect recovering the P3 image remotely may take a bit of
engineering as it is meant for local use. I believe the P3 takes the
K3 IF as input (and that is 8.215 MHz wideband RF). The idea of
using the LP-Pan may be better as one has broadband IQ output which
could be sent to a soundcard for digitizing and transmission via the
remote link in some manner. That would provide the wideband digital
IQ as data at the control station. One would run their choice of
panadaptor sw to view it. But this would not be the P3 display.

Perhaps Elecraft may someday provide digital output from the P3 for
remoting? Obviously the P3 generates this at some point in the ckt.

I follow with mild interest. My concept for a remote station is a
full-station built into a toy-hauler trailer with foldover mast to
set up antennas. Then one only needs internet (wifi?) access at the
remote site whether that be the cabin or a spare lot somewhere or a
friend's backyard. To be super-mobile remote add a satellite uplink
to feed the internet (very common in the bush up here), and ...Think
solar power.

73, Ed - KL7UW
I can see this unit parked in a storage lot someday with me an old
codger living in assisted-living with a computer for control;
essentially the same situation as someone with CC&R.

From: <[hidden email]>
To: <[hidden email]>
Subject: Re: [Elecraft] K3/0 all in one box? + P3/0
Message-ID: <004801d02ffc$bda1dc70$38e59550$@net>
Content-Type: text/plain; charset="us-ascii"

Sorry for my confusion, I was thinking IQ as the usable form of IF at the
control site, not the raw 8 mHz IF. My idea would be to somehow get the IQ
output from a LP-Pan or similar device, add another box on either end to
send and receive the IQ data, then simply use the control stations computer
soundcard and run your panadapter software of choice. Only problem here is I
don't have a clue on what to use for the remoting of the IQ output from the
LP-Pan...
All this non-portable, not suited for hotel room use would work for me as I
will be at a desktop computer for 6 months or so while remoting from my
summer home.
And of course to not stray from the original topic, it would be nice to
have the control station use a P3 with the extra data lines intergraded into
the 1258, or K3/0 mini mark II :-).

73 Jeff kb2m

73, Ed - KL7UW
http://www.kl7uw.com
"Kits made by KL7UW"
Dubus Mag business:
[hidden email]

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Iain MacDonnell - N6ML-2

Re: K3/0 all in one box? + P3/0

In reply to this post by Jeff Griffin

I did experiment with this concept a couple of years ago. At the
remote site, I captured I/Q from a LP-Pan to a sound card, using ulaw,
and streamed that to the local PC, where I fed it (via VAC, I think)
into some "SDR" software (maybe NaP3). It worked, but it was a
bandwidth-hog. To get 192kHz with 16-bit samples, I think that adds up
to 6Mbps. I suspect that not many remote sites have that sort of
upstream b/w available....

73,

~iain / N6ML

On Wed, Jan 14, 2015 at 5:19 AM, <[hidden email]> wrote:

> Sorry for my confusion, I was thinking IQ as the usable form of IF at the
> control site, not the raw 8 mHz IF. My idea would be to somehow get the IQ
> output from a LP-Pan or similar device, add another box on either end to
> send and receive the IQ data, then simply use the control stations computer
> soundcard and run your panadapter software of choice. Only problem here is I
> don't have a clue on what to use for the remoting of the IQ output from the
> LP-Pan...
> All this non-portable, not suited for hotel room use would work for me as I
> will be at a desktop computer for 6 months or so while remoting from my
> summer home.
> And of course to not stray from the original topic, it would be nice to
> have the control station use a P3 with the extra data lines intergraded into
> the 1258, or K3/0 mini mark II :-).
>
>
> 73 Jeff kb2m
>
> -----Original Message-----
> From: Elecraft [mailto:[hidden email]] On Behalf Of Fred
> Jensen
> Sent: Tuesday, January 13, 2015 19:59 PM
> To: [hidden email]
> Subject: Re: [Elecraft] K3/0 all in one box? + P3/0
>
> Hmmm ... K3 1st IF is ~8 MHz. Could pose some problems for generally
> available "<something>overIP" for many people. I/Q sounds like a better way
> to go with a PX3? I guess that would require an outboard quadrature demod
> at the "real" K3.
>
> While I don't do remote stuff right now, we're eventually going to have to
> sell our 5 ac and move to a 1-story house, probably with CC&R's.
> Consequently, remote operation may be a part of my future. Since I got the
> P3, it is the almost total focus of my concentration when operating ... I
> would hate to lose the functionality.
>
> 73,
>
> Fred K6DGW
> - Northern California Contest Club
> - CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
> - www.cqp.org
>
> On 1/13/2015 3:27 PM, Harry Yingst via Elecraft wrote:
>> When you stop and think about it I really wonder if they could make a
>> P3/0 For the most part much of the P3 screen does not change at any
>> given moment.so if they only send the changes I would venture to say
>> that much of it could besent over the wire much as we now send Voice
>> Over IP. Using the current chips for multimedia and possible some of
>> the open source CODEXsit may be a workable item, though I would expect
>> it to me a bit off a pricey option
>
> ______________________________________________________________
> 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]
>
> ______________________________________________________________
> 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
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tomb18

Re: K3/0 all in one box? + P3/0

In reply to this post by Elecraft mailing list

One can use the svga and an avermedia hd game broadcaster capture card. You can then use their software to stream the video.
73's Tom

On Jan 14, 2015 4:25 PM, Edward R Cole <[hidden email]> wrote:

>
> Jeff and others:
>
> I suspect recovering the P3 image remotely may take a bit of
> engineering as it is meant for local use. I believe the P3 takes the
> K3 IF as input (and that is 8.215 MHz wideband RF). The idea of
> using the LP-Pan may be better as one has broadband IQ output which
> could be sent to a soundcard for digitizing and transmission via the
> remote link in some manner. That would provide the wideband digital
> IQ as data at the control station. One would run their choice of
> panadaptor sw to view it. But this would not be the P3 display.
>
> Perhaps Elecraft may someday provide digital output from the P3 for
> remoting? Obviously the P3 generates this at some point in the ckt.
>
> I follow with mild interest. My concept for a remote station is a
> full-station built into a toy-hauler trailer with foldover mast to
> set up antennas. Then one only needs internet (wifi?) access at the
> remote site whether that be the cabin or a spare lot somewhere or a
> friend's backyard. To be super-mobile remote add a satellite uplink
> to feed the internet (very common in the bush up here), and ...Think
> solar power.
>
> 73, Ed - KL7UW
> I can see this unit parked in a storage lot someday with me an old
> codger living in assisted-living with a computer for control;
> essentially the same situation as someone with CC&R.
>
> From: <[hidden email]>
> To: <[hidden email]>
> Subject: Re: [Elecraft] K3/0 all in one box? + P3/0
> Message-ID: <004801d02ffc$bda1dc70$38e59550$@net>
> Content-Type: text/plain;       charset="us-ascii"
>
> Sorry for my confusion, I was thinking IQ as the usable form of IF at the
> control site, not the raw 8 mHz IF. My idea would be to somehow get the IQ
> output from a LP-Pan or similar device, add another box on either end to
> send and receive the IQ data, then simply use the control stations computer
> soundcard and run your panadapter software of choice. Only problem here is I
> don't have a clue on what to use for the remoting of the IQ output from the
> LP-Pan...
> All this non-portable, not suited for hotel room use would work for me as I
> will be at a desktop computer for 6 months or so while remoting from my
> summer home.
> And of course to not stray from the original topic, it would be nice to
> have the control station use a P3 with the extra data lines intergraded into
> the 1258, or K3/0 mini mark II :-).
>
>
> 73 Jeff kb2m
>
>
> 73, Ed - KL7UW
> http://www.kl7uw.com
>      "Kits made by KL7UW"
> Dubus Mag business:
>      [hidden email]
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
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> Message delivered to [hidden email]

Elecraft mailing list

Re: K3/0 all in one box? + P3/0

In reply to this post by Elecraft mailing list

I have another soft-rock kit coming (I foolishly sold my last one)
I've been thinking about tinkering around around with having the remoting it as a bit of a proof of concept.
Now if I can only find the time to put it together..... after all the other projects that I have simmering

From: Walter Underwood <[hidden email]>
To: Elecraft Reflector <[hidden email]>
Sent: Wednesday, January 14, 2015 5:00 PM
Subject: Re: [Elecraft] K3/0 all in one box? + P3/0

Two channels of 16-bit 192kHz audio compressed with FLAC should use around 500kbits/s. That is a chunk of bandwidth, but it is fairly reasonable for a remote site. Lossy compression would use less bandwidth, but it would put an artificial noise floor on the spectrum display. Probably not a good experience.

wunder
K6WRU
CM87wj
http://observer.wunderwood.org/

On Jan 14, 2015, at 1:51 PM, iain macdonnell - N6ML <[hidden email]> wrote:

> I did experiment with this concept a couple of years ago. At the
> remote site, I captured I/Q from a LP-Pan to a sound card, using ulaw,
> and streamed that to the local PC, where I fed it (via VAC, I think)
> into some "SDR" software (maybe NaP3). It worked, but it was a
> bandwidth-hog. To get 192kHz with 16-bit samples, I think that adds up
> to 6Mbps. I suspect that not many remote sites have that sort of
> upstream b/w available....
>
> 73,
>
> ~iain / N6ML
>
>
> On Wed, Jan 14, 2015 at 5:19 AM, <[hidden email]> wrote:
>> Sorry for my confusion, I was thinking IQ as the usable form of IF at the
>> control site, not the raw 8 mHz IF. My idea would be to somehow get the IQ
>> output from a LP-Pan or similar device, add another box on either end to
>> send and receive the IQ data, then simply use the control stations computer
>> soundcard and run your panadapter software of choice. Only problem here is I
>> don't have a clue on what to use for the remoting of the IQ output from the
>> LP-Pan...
>> All this non-portable, not suited for hotel room use would work for me as I
>> will be at a desktop computer for 6 months or so while remoting from my
>> summer home.
>> And of course to not stray from the original topic, it would be nice to
>> have the control station use a P3 with the extra data lines intergraded into
>> the 1258, or K3/0 mini mark II :-).
>>
>>
>> 73 Jeff kb2m
>>
>> -----Original Message-----
>> From: Elecraft [mailto:[hidden email]] On Behalf Of Fred
>> Jensen
>> Sent: Tuesday, January 13, 2015 19:59 PM
>> To: [hidden email]
>> Subject: Re: [Elecraft] K3/0 all in one box? + P3/0
>>
>> Hmmm ... K3 1st IF is ~8 MHz. Could pose some problems for generally
>> available "<something>overIP" for many people. I/Q sounds like a better way
>> to go with a PX3? I guess that would require an outboard quadrature demod
>> at the "real" K3.
>>
>> While I don't do remote stuff right now, we're eventually going to have to
>> sell our 5 ac and move to a 1-story house, probably with CC&R's.
>> Consequently, remote operation may be a part of my future. Since I got the
>> P3, it is the almost total focus of my concentration when operating ... I
>> would hate to lose the functionality.
>>
>> 73,
>>
>> Fred K6DGW
>> - Northern California Contest Club
>> - CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
>> - www.cqp.org
>>
>> On 1/13/2015 3:27 PM, Harry Yingst via Elecraft wrote:
>>> When you stop and think about it I really wonder if they could make a
>>> P3/0 For the most part much of the P3 screen does not change at any
>>> given moment.so if they only send the changes I would venture to say
>>> that much of it could besent over the wire much as we now send Voice
>>> Over IP. Using the current chips for multimedia and possible some of
>>> the open source CODEXsit may be a workable item, though I would expect
>>> it to me a bit off a pricey option
>>
>> ______________________________________________________________
>> 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]
>>
>> ______________________________________________________________
>> 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]
> ______________________________________________________________
> 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]

______________________________________________________________
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Post: mailto:[hidden email]

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Please help support this email list: http://www.qsl.net/donate.html
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Vic Rosenthal

Re: K3/0 all in one box? + P3/0

In reply to this post by Edward R Cole

My idea was similar -- a box containing a transceiver and wireless link with an antenna on top. All you would need to provide is power (could be solar) and wireless signal (could be 3G).
The box could be placed on the roof of your house, a nearby tall building, or a mountain peak. Think terrestrial satellite.

Vic K2VCO /4X6GP

> On Jan 14, 2015, at 11:25 PM, Edward R Cole <[hidden email]> wrote:
>
> Jeff and others:
>
> I suspect recovering the P3 image remotely may take a bit of engineering as it is meant for local use. I believe the P3 takes the K3 IF as input (and that is 8.215 MHz wideband RF). The idea of using the LP-Pan may be better as one has broadband IQ output which could be sent to a soundcard for digitizing and transmission via the remote link in some manner. That would provide the wideband digital IQ as data at the control station. One would run their choice of panadaptor sw to view it. But this would not be the P3 display.
>
> Perhaps Elecraft may someday provide digital output from the P3 for remoting? Obviously the P3 generates this at some point in the ckt.
>
> I follow with mild interest. My concept for a remote station is a full-station built into a toy-hauler trailer with foldover mast to set up antennas. Then one only needs internet (wifi?) access at the remote site whether that be the cabin or a spare lot somewhere or a friend's backyard. To be super-mobile remote add a satellite uplink to feed the internet (very common in the bush up here), and ...Think solar power.
>
> 73, Ed - KL7UW
> I can see this unit parked in a storage lot someday with me an old codger living in assisted-living with a computer for control; essentially the same situation as someone with CC&R.
>
> From: <[hidden email]>
> To: <[hidden email]>
> Subject: Re: [Elecraft] K3/0 all in one box? + P3/0
> Message-ID: <004801d02ffc$bda1dc70$38e59550$@net>
> Content-Type: text/plain; charset="us-ascii"
>
> Sorry for my confusion, I was thinking IQ as the usable form of IF at the
> control site, not the raw 8 mHz IF. My idea would be to somehow get the IQ
> output from a LP-Pan or similar device, add another box on either end to
> send and receive the IQ data, then simply use the control stations computer
> soundcard and run your panadapter software of choice. Only problem here is I
> don't have a clue on what to use for the remoting of the IQ output from the
> LP-Pan...
> All this non-portable, not suited for hotel room use would work for me as I
> will be at a desktop computer for 6 months or so while remoting from my
> summer home.
> And of course to not stray from the original topic, it would be nice to
> have the control station use a P3 with the extra data lines intergraded into
> the 1258, or K3/0 mini mark II :-).
>
>
> 73 Jeff kb2m
>
>
> 73, Ed - KL7UW
> http://www.kl7uw.com
> "Kits made by KL7UW"
> Dubus Mag business:
> [hidden email]
>
> ______________________________________________________________
> 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]