Re: [Elecraft] Relocating my KPA-1500 - need cable

[rocketnj]

Hi Bob,

Peter already has the rig to Y-Box cable. He just needs to replace the Y-Box to 
amp cable with longer one.

Peter, replacing the amp to Y-Box cable with longer one is the best method for 
remoting your amp. The Ethernet cable from amp to switch in basement will allow 
you to use the KPA1500 remote utility. If memory serves, it shows recommended 
power on bottom when tuner is engaged. I had to reduce power on certain 
sections of 80 meter band.

73
Dave wo2x


-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Bob Wilson, N6TV
Sent: Thursday, June 2, 2022 10:27 PM
To: Peter W2IRT ; Elecraft Reflector 
Subject: Re: [Elecraft] Relocating my KPA-1500 - need cable

On Thu, Jun 2, 2022 at 6:28 PM  wrote:

> Not sure what you mean by “set drive power” this is something I 
> generally do manually, but would love the ability to do it 
> automatically based on band segment.
>

The K3 will automatically memorize and recall the required drive level set on 
each band, but not each band segment, if you set K3 *MENU:PWR SET* to *PER 
BAND*.  The K3 remembers two drive levels per band, one "barefoot", and the 
other "when the AMP is ON and in OPER".  So you can leave the K3 set to 100W 
drive, then turn on the AMP and put it in OPER mode (you'll see a message on 
the K3 when you do that, if connected properly), then turn down the PWR knob to 
set the drive level needed on that band when you're using the amp.  An asterisk 
appears next to the power level on the K3 display, to indicate that you are 
setting the "when the amp. is in OPER" power level.
The asterisk goes away when you put the amp. in STBY or OFF.  Set the drive 
needed once, each band, with the amp. in OPER mode, and and you're all set; the 
K3 will set the drive power to the last-used values for amp in OPER mode, on 
every band.

The KPA1500 tuner is set by band *segment*, but not the drive power.

40m SSB is a problem child for me where a short Yagi means I have to cut
> back drive power above 7175 or so due to SWR.
>

The K3 will not remember that.  How high is the SWR up there?  I assume you are 
using the KPA1500 ATU, but if SWR is >3:1, I don't think you can run 1500W even 
with the tuner engaged.


> I really want the exact same functionality that I have with the amp 
> here in the shack, connected via the old Y-Box.
>

Yes, you will get that by extending the AUX cable, which must be in series with 
the extension.  I would try the length you need to see if it works.
Chances are it will work fine if you use a quality cable.

I will do an accurate measurement, but I’m pretty sure it’s somewhere
> between 15 and 20 feet between the Y-box and the proposed location of 
> the amp.
>

Should work fine.  I can supply a 2.5' M/M cable from rig to Y-BOX if you need 
one.

On Thu, Jun 2, 2022 at 6:33 PM  wrote:

> Forgot to add in my reply that I have LAN connectivity at the proposed 
> amp location, connected directly from the main switch on the other 
> side of the basement.
>

Great, then you only need one 15-pin cable or one new Ethernet run, not two.

73,
Bob, N6TV
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Re: [Elecraft] Relocating my KPA-1500 - need cable

[Bob Wilson, N6TV]

On Thu, Jun 2, 2022 at 6:28 PM  wrote:

> Not sure what you mean by “set drive power” this is something I generally
> do manually, but would love the ability to do it automatically based on
> band segment.
>

The K3 will automatically memorize and recall the required drive level set
on each band, but not each band segment, if you set K3 *MENU:PWR SET* to *PER
BAND*.  The K3 remembers two drive levels per band, one "barefoot", and the
other "when the AMP is ON and in OPER".  So you can leave the K3 set to
100W drive, then turn on the AMP and put it in OPER mode (you'll see a
message on the K3 when you do that, if connected properly), then turn down
the PWR knob to set the drive level needed on that band when you're using
the amp.  An asterisk appears next to the power level on the K3 display, to
indicate that you are setting the "when the amp. is in OPER" power level.
The asterisk goes away when you put the amp. in STBY or OFF.  Set the drive
needed once, each band, with the amp. in OPER mode, and and you're all set;
the K3 will set the drive power to the last-used values for amp in OPER
mode, on every band.

The KPA1500 tuner is set by band *segment*, but not the drive power.

40m SSB is a problem child for me where a short Yagi means I have to cut
> back drive power above 7175 or so due to SWR.
>

The K3 will not remember that.  How high is the SWR up there?  I assume you
are using the KPA1500 ATU, but if SWR is >3:1, I don't think you can run
1500W even with the tuner engaged.


> I really want the exact same functionality that I have with the amp here
> in the shack, connected via the old Y-Box.
>

Yes, you will get that by extending the AUX cable, which must be in series
with the extension.  I would try the length you need to see if it works.
Chances are it will work fine if you use a quality cable.

I will do an accurate measurement, but I’m pretty sure it’s somewhere
> between 15 and 20 feet between the Y-box and the proposed location of the
> amp.
>

Should work fine.  I can supply a 2.5' M/M cable from rig to Y-BOX if you
need one.

On Thu, Jun 2, 2022 at 6:33 PM  wrote:

> Forgot to add in my reply that I have LAN connectivity at the proposed amp
> location, connected directly from the main switch on the other side of the
> basement.
>

Great, then you only need one 15-pin cable or one new Ethernet run, not two.

73,
Bob, N6TV
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Re: [Elecraft] Relocating my KPA-1500 - need cable

[lists]

Not sure what you mean by “set drive power” this is something I generally do 
manually, but would love the ability to do it automatically based on band 
segment. 40m SSB is a problem child for me where a short Yagi means I have to 
cut back drive power above 7175 or so due to SWR. I do not want to do RF 
sensing; that’s right out after having used an HF AUTO tuner for a couple of 
years. 

I really want the exact same functionality that I have with the amp here in the 
shack, connected via the old Y-Box. The issue here is the noise of the fans is 
too much for my XYL, who works 12 hours a day just a few feet away from both me 
and the amp. While running 6m FT8 it’s on fan speed three sometimes for an hour 
or more and I’ve been told in no uncertain terms that that isn’t going to 
happen this season.

I will do an accurate measurement, but I’m pretty sure it’s somewhere between 
15 and 20 feet between the Y-box and the proposed location of the amp.



There are only 3 bands that I regularly need the tuner: 160 above 1850 (which I 
might use a couple of contests a year at most), 80m above 3825 or below 3650, 
and 40m SSB. Everything from 30m to 6m is resonant, and the CW/digital portions 
of the low bands are also resonant and don’t need the tuner. Note that I am 
using a K3s, not a K4, and have no plans to upgrade. 





 - pjd

 

From: Bob Wilson, N6TV  
Sent: Thursday, June 2, 2022 8:31 PM
To: Peter W2IRT ; Elecraft Reflector 
Subject: Re: [Elecraft] Relocating my KPA-1500 - need cable

 

I would try the 25' to 30' AUX cable.  It will probably work fine.  AUXBUS is 
only used for automatically setting drive power ("KPA1500 OPER" messages) and 
recognizing band buttons being pressed on the amp, which you will not be doing, 
plus rig frequency setting the KPA1500 tuner to the right segment, though 
RF-sensing can work for that too.  If you don't use the tuner much, or If 
AUXBUS gives trouble, change radio type from K4 to BCD, and use the same long 
AUX cable.  If that doesn't work, a long RS-232 to 3.5mm TRS cable can be used 
to track K4 frequency.

 

A long ethernet or a WiFi to Ethernet extender will provide KPA1500 Remote 
software connection capability, though you may want to set up your Router to 
assign a fixed IP address to the KPA1500.  KPA1500 Firmware updates still 
require a local USB cable, but you can temporarily use a WiFi-enabled laptop 
for that.




73,

Bob, N6TV

 

 

On Thu, Jun 2, 2022 at 5:04 PM mailto:li...@w2irt.net> > 
wrote:

I'm not familiar with CAN-bus. How can I easily implement this in my setup? End 
result is I want two way CAT control -- amp gets band/frequency data from the 
radio, KPA-1500 remote app gets SWR and power from the amp to display on the PC 
and control the power switch and standby/operate from the remote app.

 - pjd

-Original Message-
From: jerry mailto:je...@tr2.com> > 
Sent: Thursday, June 2, 2022 3:20 PM
To: li...@w2irt.net  
Cc: 'Jack Brindle' mailto:jackbrin...@me.com> >; 'Elecraft 
Reflector Reflector' mailto:elecraft@mailman.qth.net> >
Subject: Re: [Elecraft] Relocating my KPA-1500 - need cable

On 2022-06-02 11:23, li...@w2irt.net   wrote:
> I hadn't considered that! Is there a preferred way of doing this over 
> longer distances? I'm sure I'm not the only person who's needed to 
> remote the amp.
> 
>  - pjd

As a homebrew project, if you want "robust" and "just works", it's hard to beat 
CAN-bus.  A quick Google confirms that for a baud rate of 250K, it will work up 
to
820 feet.

  - Jerry KF6VB




> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
>   
> mailto:elecraft-boun...@mailman.qth.net> > 
> On Behalf Of Jack Brindle via 
> Elecraft
> Sent: Thursday, June 2, 2022 12:30 PM
> To: Elecraft Reflector Reflector   >
> Subject: Re: [Elecraft] Relocating my KPA-1500 - need cable
> 
> Using a network connection would be a very good idea. Auxbus is not 
> meant to go 20 feet, and indeed will probably fail at that distance.
> Thus using an alternate method to get frequency info to the amplifier 
> would be a good idea.
> 
> 73,
> Jack, W6FB
> 
> 
>> On Jun 2, 2022, at 10:34 AM, David Decoons >  > wrote:
>> 
>> Hi Peter,
>> 
>> Contact Bob, N6TV. He can make good quality DB 15 cables that are 
>> shielded.
>> 
>> Let me know when you are ready and I can help. Also you can do it as 
>> we discussed on the phone via the network, running a CAT 6 cable.
>> 
>> Call me if you have questions.
>> 
>> 73
>> Dave wo2x
>> 
>> Sent from my iPad
>> 
>>> On Jun 2, 2022, at 11:12 AM, li...@w2irt.net   
>>>  >
>>> wrote:
>>> 
>>> I need to move my KPA-1500 into the basement, and I've got an 
>>> electrician coming to put in the new outlet next week. But the only 
>>> tricky issue now is finding 

Re: [Elecraft] Relocating my KPA-1500 - need cable

[Bob Wilson, N6TV]

I would try the 25' to 30' AUX cable.  It will probably work fine.  AUXBUS
is only used for automatically setting drive power ("KPA1500 OPER"
messages) and recognizing band buttons being pressed on the amp, which you
will not be doing, plus rig frequency setting the KPA1500 tuner to the
right segment, though RF-sensing can work for that too.  If you don't use
the tuner much, or If AUXBUS gives trouble, change radio type from K4 to
BCD, and use the same long AUX cable.  If that doesn't work, a long RS-232
to 3.5mm TRS cable can be used to track K4 frequency.

A long ethernet or a WiFi to Ethernet extender will provide KPA1500 Remote
software connection capability, though you may want to set up your Router
to assign a fixed IP address to the KPA1500.  KPA1500 Firmware updates
still require a local USB cable, but you can temporarily use a WiFi-enabled
laptop for that.

73,
Bob, N6TV


On Thu, Jun 2, 2022 at 5:04 PM  wrote:

> I'm not familiar with CAN-bus. How can I easily implement this in my
> setup? End result is I want two way CAT control -- amp gets band/frequency
> data from the radio, KPA-1500 remote app gets SWR and power from the amp to
> display on the PC and control the power switch and standby/operate from the
> remote app.
>
>  - pjd
>
> -Original Message-
> From: jerry 
> Sent: Thursday, June 2, 2022 3:20 PM
> To: li...@w2irt.net
> Cc: 'Jack Brindle' ; 'Elecraft Reflector Reflector' <
> elecraft@mailman.qth.net>
> Subject: Re: [Elecraft] Relocating my KPA-1500 - need cable
>
> On 2022-06-02 11:23, li...@w2irt.net wrote:
> > I hadn't considered that! Is there a preferred way of doing this over
> > longer distances? I'm sure I'm not the only person who's needed to
> > remote the amp.
> >
> >  - pjd
>
> As a homebrew project, if you want "robust" and "just works", it's hard to
> beat CAN-bus.  A quick Google confirms that for a baud rate of 250K, it
> will work up to
> 820 feet.
>
>   - Jerry KF6VB
>
>
>
>
> >
> > -Original Message-
> > From: elecraft-boun...@mailman.qth.net
> >  On Behalf Of Jack Brindle via
> > Elecraft
> > Sent: Thursday, June 2, 2022 12:30 PM
> > To: Elecraft Reflector Reflector 
> > Subject: Re: [Elecraft] Relocating my KPA-1500 - need cable
> >
> > Using a network connection would be a very good idea. Auxbus is not
> > meant to go 20 feet, and indeed will probably fail at that distance.
> > Thus using an alternate method to get frequency info to the amplifier
> > would be a good idea.
> >
> > 73,
> > Jack, W6FB
> >
> >
> >> On Jun 2, 2022, at 10:34 AM, David Decoons  wrote:
> >>
> >> Hi Peter,
> >>
> >> Contact Bob, N6TV. He can make good quality DB 15 cables that are
> >> shielded.
> >>
> >> Let me know when you are ready and I can help. Also you can do it as
> >> we discussed on the phone via the network, running a CAT 6 cable.
> >>
> >> Call me if you have questions.
> >>
> >> 73
> >> Dave wo2x
> >>
> >> Sent from my iPad
> >>
> >>> On Jun 2, 2022, at 11:12 AM, li...@w2irt.net
> >>> 
> >>> wrote:
> >>>
> >>> I need to move my KPA-1500 into the basement, and I've got an
> >>> electrician coming to put in the new outlet next week. But the only
> >>> tricky issue now is finding the correct cable to run to the amp from
> >>> my Y-Box to provide frequency/band data, etc. I will need a cable
> >>> run of about 20 feet, which will need to run behind the wall, down
> >>> into a crawlspace, then through a concrete wall to the new rack.
> >>>
> >>> With sub-optimal eyesight and shaky hands, I'm not sure I'd by much
> >>> good making one, but if they're not available easily in the
> >>> aftermarket I guess I can give it a shot. Does anybody know where to
> >>> find a pre-made ~20ish foot long cable, or if not, (a) what pinouts
> >>> do I need, (b) where to source the correct cable to do this
> >>> properly, and (c) what connectors-I'm guessing DB15M and DB15F?
> >>>
> >>>
> >>> 
> >>>
> >>> Regards,
> >>> Peter Dougherty, W2IRT
> >>>
> >>> DXCC Card Checker/CQ-WAZ Checkpoint
> >>>
> >>> www.facebook.com/W2IRT
> >>>
> >>>
> >>>
> >>> __
> >>> Elecraft mailing list
> >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> >>> 
> >>> Help: http://mailman.qth.net/mmfaq.htm
> >>> 
> >>> Post: mailto:Elecraft@mailman.qth.net
> >>> 
> >>>
> >>> This list hosted by: http://www.qsl.net  Please
> >>> help support this email list: http://www.qsl.net/donate.html
> >>>  Message delivered to
> >>> rocke...@gmail.com 
> >> __
> >> Elecraft mailing list
> >> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> >> Help: http://mailman.qth.net/mmfaq.htm
> >> Post: 

Re: [Elecraft] Relocating my KPA-1500 - need cable

[lists]

I'm not familiar with CAN-bus. How can I easily implement this in my setup? End 
result is I want two way CAT control -- amp gets band/frequency data from the 
radio, KPA-1500 remote app gets SWR and power from the amp to display on the PC 
and control the power switch and standby/operate from the remote app.

 - pjd

-Original Message-
From: jerry  
Sent: Thursday, June 2, 2022 3:20 PM
To: li...@w2irt.net
Cc: 'Jack Brindle' ; 'Elecraft Reflector Reflector' 

Subject: Re: [Elecraft] Relocating my KPA-1500 - need cable

On 2022-06-02 11:23, li...@w2irt.net wrote:
> I hadn't considered that! Is there a preferred way of doing this over 
> longer distances? I'm sure I'm not the only person who's needed to 
> remote the amp.
> 
>  - pjd

As a homebrew project, if you want "robust" and "just works", it's hard to beat 
CAN-bus.  A quick Google confirms that for a baud rate of 250K, it will work up 
to
820 feet.

  - Jerry KF6VB




> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
>  On Behalf Of Jack Brindle via 
> Elecraft
> Sent: Thursday, June 2, 2022 12:30 PM
> To: Elecraft Reflector Reflector 
> Subject: Re: [Elecraft] Relocating my KPA-1500 - need cable
> 
> Using a network connection would be a very good idea. Auxbus is not 
> meant to go 20 feet, and indeed will probably fail at that distance.
> Thus using an alternate method to get frequency info to the amplifier 
> would be a good idea.
> 
> 73,
> Jack, W6FB
> 
> 
>> On Jun 2, 2022, at 10:34 AM, David Decoons  wrote:
>> 
>> Hi Peter,
>> 
>> Contact Bob, N6TV. He can make good quality DB 15 cables that are 
>> shielded.
>> 
>> Let me know when you are ready and I can help. Also you can do it as 
>> we discussed on the phone via the network, running a CAT 6 cable.
>> 
>> Call me if you have questions.
>> 
>> 73
>> Dave wo2x
>> 
>> Sent from my iPad
>> 
>>> On Jun 2, 2022, at 11:12 AM, li...@w2irt.net 
>>> 
>>> wrote:
>>> 
>>> I need to move my KPA-1500 into the basement, and I've got an 
>>> electrician coming to put in the new outlet next week. But the only 
>>> tricky issue now is finding the correct cable to run to the amp from 
>>> my Y-Box to provide frequency/band data, etc. I will need a cable 
>>> run of about 20 feet, which will need to run behind the wall, down 
>>> into a crawlspace, then through a concrete wall to the new rack.
>>> 
>>> With sub-optimal eyesight and shaky hands, I'm not sure I'd by much 
>>> good making one, but if they're not available easily in the 
>>> aftermarket I guess I can give it a shot. Does anybody know where to 
>>> find a pre-made ~20ish foot long cable, or if not, (a) what pinouts 
>>> do I need, (b) where to source the correct cable to do this 
>>> properly, and (c) what connectors-I'm guessing DB15M and DB15F?
>>> 
>>> 
>>> 
>>> 
>>> Regards,
>>> Peter Dougherty, W2IRT
>>> 
>>> DXCC Card Checker/CQ-WAZ Checkpoint
>>> 
>>> www.facebook.com/W2IRT
>>> 
>>> 
>>> 
>>> __
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> 
>>> Help: http://mailman.qth.net/mmfaq.htm 
>>> 
>>> Post: mailto:Elecraft@mailman.qth.net 
>>> 
>>> 
>>> This list hosted by: http://www.qsl.net  Please 
>>> help support this email list: http://www.qsl.net/donate.html 
>>>  Message delivered to 
>>> rocke...@gmail.com 
>> __
>> Elecraft mailing list
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>> This list hosted by: http://www.qsl.net Please help support this 
>> email
>> list: http://www.qsl.net/donate.html Message delivered to 
>> jackbrin...@me.com
> 
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Help: 

Re: [Elecraft] KX3 for sale

[Mark Ennamorato]

Thanks

On Thu, Jun 2, 2022, 1:43 PM C.A. Jones  wrote:

> Pending receipt of payment, this KX3 is sold.
>
> On Thu, Jun 2, 2022 at 2:27 PM C.A. Jones  wrote:
>
> > For sale: Loaded Elecraft KX3 160-6m all-mode QRP transceiver with SDR
> > architecture and advanced DSP, in cosmetically pristine condition (not a
> > scratch on it; photos too big to attach, but available on request), and
> performs
> > as if new.  I'm selling this gem of a radio because I have 2 of them!  I
> > am the 2nd owner of this ultra-portable yet very flexible and expandable
> > transceiver.  It has seen little use by either myself or the original
> > owner, exclusively within temperature/humidity controlled non-smoking
> > shacks in both cases.  Items included in this sale:
> >
> >
> > KX3 serial number 06248, factory assembled (not a kit) with:
> >
> >
> >- KXBC3 internal battery charger/real-time clock (batteries not
> >included)
> >- KXFL3 roofing filter
> >- KXAT3 automatic antenna tuner (*fantastic *tuner, "... *would tune
> >the end of a trailer hitch*" was one comment seen on QRZ)
> >- Upgraded (thicker) heat sink
> >- Updated with latest firmware (MCU rev 03.02 - released 08-Apr 2022)
> >
> > MH3 microphone
> > KXUSB programming/interface cable
> > Power cord
> > Original KX3 Manual
> > USB memory stick loaded with relevant Elecraft software & documentation
> >
> >
> > Note that this radio has been processed through Elecraft's "*Extended VFO
> > Temperature Compensation Procedure*", thereby rendering performance
> > benefit for narrowband data modes (e.g. JT65, FT8), especially on higher
> > bands.
> >
> > An additional comment on the excellent tuner, the fact that Elecraft
> > designed this to fit inside the KX3 renders this radio *ideal *for
> > POTA/SOTA and similar, especially when using internal batteries,
> > *especially *with its light weight (just 815g w/o batteries).
> >
> > Unit will be double boxed, using the original Elecraft packaging inside a
> > Postal Priority Mail box. That’s the only way I'll ship, and I'll do so
> > within 1 business day of receiving payment..
> >
> > Payment by USPS money order or PayPal only.  The price $1100 firm,
> includes
> > shipping and insurance to a USA address and the PayPal fee where
> > applicable.  I'm selling it as is, with no warranty, but I hereby certify
> > that without exception I believe the radio and its accessories perform as
> > designed, and that they have no issues that I'm aware of, performance or
> > otherwise.
> >
> > I'm registered on QRZ.com in case you wish an enhanced perspective on who
> > you're dealing with.  My profile there includes an email address for if
> you
> > have questions or wish to purchase the radio (in which case I'll email
> you
> > a payment link if you wish to use PayPal).
> >
> > The KX3 is presently backordered from Elecraft. Here’s a chance to enjoy
> > one of these outstanding radios* this summer*, either in your shack or
> > mobile or in the field.  It's a great radio and will sell quickly, so if
> > interested I urge you to not hesitate!
> >
> > Chris Jones  -  K2CZ
> >
> __
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Re: [Elecraft] KX3 for sale

[C.A. Jones]

Pending receipt of payment, this KX3 is sold.

On Thu, Jun 2, 2022 at 2:27 PM C.A. Jones  wrote:

> For sale: Loaded Elecraft KX3 160-6m all-mode QRP transceiver with SDR
> architecture and advanced DSP, in cosmetically pristine condition (not a
> scratch on it; photos too big to attach, but available on request), and 
> performs
> as if new.  I'm selling this gem of a radio because I have 2 of them!  I
> am the 2nd owner of this ultra-portable yet very flexible and expandable
> transceiver.  It has seen little use by either myself or the original
> owner, exclusively within temperature/humidity controlled non-smoking
> shacks in both cases.  Items included in this sale:
>
>
> KX3 serial number 06248, factory assembled (not a kit) with:
>
>
>- KXBC3 internal battery charger/real-time clock (batteries not
>included)
>- KXFL3 roofing filter
>- KXAT3 automatic antenna tuner (*fantastic *tuner, "... *would tune
>the end of a trailer hitch*" was one comment seen on QRZ)
>- Upgraded (thicker) heat sink
>- Updated with latest firmware (MCU rev 03.02 - released 08-Apr 2022)
>
> MH3 microphone
> KXUSB programming/interface cable
> Power cord
> Original KX3 Manual
> USB memory stick loaded with relevant Elecraft software & documentation
>
>
> Note that this radio has been processed through Elecraft's "*Extended VFO
> Temperature Compensation Procedure*", thereby rendering performance
> benefit for narrowband data modes (e.g. JT65, FT8), especially on higher
> bands.
>
> An additional comment on the excellent tuner, the fact that Elecraft
> designed this to fit inside the KX3 renders this radio *ideal *for
> POTA/SOTA and similar, especially when using internal batteries,
> *especially *with its light weight (just 815g w/o batteries).
>
> Unit will be double boxed, using the original Elecraft packaging inside a
> Postal Priority Mail box. That’s the only way I'll ship, and I'll do so
> within 1 business day of receiving payment..
>
> Payment by USPS money order or PayPal only.  The price $1100 firm, includes
> shipping and insurance to a USA address and the PayPal fee where
> applicable.  I'm selling it as is, with no warranty, but I hereby certify
> that without exception I believe the radio and its accessories perform as
> designed, and that they have no issues that I'm aware of, performance or
> otherwise.
>
> I'm registered on QRZ.com in case you wish an enhanced perspective on who
> you're dealing with.  My profile there includes an email address for if you
> have questions or wish to purchase the radio (in which case I'll email you
> a payment link if you wish to use PayPal).
>
> The KX3 is presently backordered from Elecraft. Here’s a chance to enjoy
> one of these outstanding radios* this summer*, either in your shack or
> mobile or in the field.  It's a great radio and will sell quickly, so if
> interested I urge you to not hesitate!
>
> Chris Jones  -  K2CZ
>
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Re: [Elecraft] Relocating my KPA-1500 - need cable

[jerry]

On 2022-06-02 11:23, li...@w2irt.net wrote:

I hadn't considered that! Is there a preferred way of doing this over
longer distances? I'm sure I'm not the only person who's needed to
remote the amp.

 - pjd


As a homebrew project, if you want "robust" and "just works", it's hard 
to beat
CAN-bus.  A quick Google confirms that for a baud rate of 250K, it will 
work up to

820 feet.

 - Jerry KF6VB






-Original Message-
From: elecraft-boun...@mailman.qth.net
 On Behalf Of Jack Brindle via
Elecraft
Sent: Thursday, June 2, 2022 12:30 PM
To: Elecraft Reflector Reflector 
Subject: Re: [Elecraft] Relocating my KPA-1500 - need cable

Using a network connection would be a very good idea. Auxbus is not
meant to go 20 feet, and indeed will probably fail at that distance.
Thus using an alternate method to get frequency info to the amplifier
would be a good idea.

73,
Jack, W6FB



On Jun 2, 2022, at 10:34 AM, David Decoons  wrote:

Hi Peter,

Contact Bob, N6TV. He can make good quality DB 15 cables that are 
shielded.


Let me know when you are ready and I can help. Also you can do it as 
we discussed on the phone via the network, running a CAT 6 cable.


Call me if you have questions.

73
Dave wo2x

Sent from my iPad

On Jun 2, 2022, at 11:12 AM, li...@w2irt.net  
wrote:


I need to move my KPA-1500 into the basement, and I've got an
electrician coming to put in the new outlet next week. But the only
tricky issue now is finding the correct cable to run to the amp from
my Y-Box to provide frequency/band data, etc. I will need a cable run
of about 20 feet, which will need to run behind the wall, down into a
crawlspace, then through a concrete wall to the new rack.

With sub-optimal eyesight and shaky hands, I'm not sure I'd by much
good making one, but if they're not available easily in the
aftermarket I guess I can give it a shot. Does anybody know where to
find a pre-made ~20ish foot long cable, or if not, (a) what pinouts
do I need, (b) where to source the correct cable to do this properly,
and (c) what connectors-I'm guessing DB15M and DB15F?




Regards,
Peter Dougherty, W2IRT

DXCC Card Checker/CQ-WAZ Checkpoint

www.facebook.com/W2IRT



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help support this email list: http://www.qsl.net/donate.html
 Message delivered to
rocke...@gmail.com 

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list: http://www.qsl.net/donate.html Message delivered to
jackbrin...@me.com


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Re: [Elecraft] New K4 Beta Software Available (Release 30/Beta 2)

[Fred Jensen]

"Hey ... the last compile is clean, let's go to production!" 

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

Walter Underwood wrote on 6/1/2022 9:42 PM:

On Jun 1, 2022, at 7:30 PM, Wayne Burdick  wrote:

"There's always another bug," to quote an anonymous sage, but please...go for 
it. We'd love to get hundreds of K4s going on this new release, and hopefully promote it 
to full production status next week.

Q: What does it mean when the Python test suite passes?
A: It means the test suite is incomplete.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

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--
This email has been checked for viruses by AVG.
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[Elecraft] KX3 for sale

[C.A. Jones]

For sale: Loaded Elecraft KX3 160-6m all-mode QRP transceiver with SDR
architecture and advanced DSP, in cosmetically pristine condition (not a
scratch on it; photos too big to attach, but available on request),
and performs
as if new.  I'm selling this gem of a radio because I have 2 of them!  I am
the 2nd owner of this ultra-portable yet very flexible and expandable
transceiver.  It has seen little use by either myself or the original
owner, exclusively within temperature/humidity controlled non-smoking
shacks in both cases.  Items included in this sale:


KX3 serial number 06248, factory assembled (not a kit) with:


   - KXBC3 internal battery charger/real-time clock (batteries not included)
   - KXFL3 roofing filter
   - KXAT3 automatic antenna tuner (*fantastic *tuner, "... *would tune the
   end of a trailer hitch*" was one comment seen on QRZ)
   - Upgraded (thicker) heat sink
   - Updated with latest firmware (MCU rev 03.02 - released 08-Apr 2022)

MH3 microphone
KXUSB programming/interface cable
Power cord
Original KX3 Manual
USB memory stick loaded with relevant Elecraft software & documentation


Note that this radio has been processed through Elecraft's "*Extended VFO
Temperature Compensation Procedure*", thereby rendering performance benefit
for narrowband data modes (e.g. JT65, FT8), especially on higher bands.

An additional comment on the excellent tuner, the fact that Elecraft
designed this to fit inside the KX3 renders this radio *ideal *for
POTA/SOTA and similar, especially when using internal batteries,
*especially *with its light weight (just 815g w/o batteries).

Unit will be double boxed, using the original Elecraft packaging inside a
Postal Priority Mail box. That’s the only way I'll ship, and I'll do so
within 1 business day of receiving payment..

Payment by USPS money order or PayPal only.  The price $1100 firm, includes
shipping and insurance to a USA address and the PayPal fee where
applicable.  I'm selling it as is, with no warranty, but I hereby certify
that without exception I believe the radio and its accessories perform as
designed, and that they have no issues that I'm aware of, performance or
otherwise.

I'm registered on QRZ.com in case you wish an enhanced perspective on who
you're dealing with.  My profile there includes an email address for if you
have questions or wish to purchase the radio (in which case I'll email you
a payment link if you wish to use PayPal).

The KX3 is presently backordered from Elecraft. Here’s a chance to enjoy
one of these outstanding radios* this summer*, either in your shack or
mobile or in the field.  It's a great radio and will sell quickly, so if
interested I urge you to not hesitate!

Chris Jones  -  K2CZ
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Re: [Elecraft] Relocating my KPA-1500 - need cable

[lists]

I hadn't considered that! Is there a preferred way of doing this over longer 
distances? I'm sure I'm not the only person who's needed to remote the amp.

 - pjd

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Jack Brindle via Elecraft
Sent: Thursday, June 2, 2022 12:30 PM
To: Elecraft Reflector Reflector 
Subject: Re: [Elecraft] Relocating my KPA-1500 - need cable

Using a network connection would be a very good idea. Auxbus is not meant to go 
20 feet, and indeed will probably fail at that distance.
Thus using an alternate method to get frequency info to the amplifier would be 
a good idea.

73,
Jack, W6FB


> On Jun 2, 2022, at 10:34 AM, David Decoons  wrote:
> 
> Hi Peter,
> 
> Contact Bob, N6TV. He can make good quality DB 15 cables that are shielded.
> 
> Let me know when you are ready and I can help. Also you can do it as we 
> discussed on the phone via the network, running a CAT 6 cable.
> 
> Call me if you have questions.
> 
> 73
> Dave wo2x
> 
> Sent from my iPad
> 
>> On Jun 2, 2022, at 11:12 AM, li...@w2irt.net  wrote:
>> 
>> I need to move my KPA-1500 into the basement, and I've got an 
>> electrician coming to put in the new outlet next week. But the only 
>> tricky issue now is finding the correct cable to run to the amp from 
>> my Y-Box to provide frequency/band data, etc. I will need a cable run 
>> of about 20 feet, which will need to run behind the wall, down into a 
>> crawlspace, then through a concrete wall to the new rack.
>> 
>> With sub-optimal eyesight and shaky hands, I'm not sure I'd by much 
>> good making one, but if they're not available easily in the 
>> aftermarket I guess I can give it a shot. Does anybody know where to 
>> find a pre-made ~20ish foot long cable, or if not, (a) what pinouts 
>> do I need, (b) where to source the correct cable to do this properly, 
>> and (c) what connectors-I'm guessing DB15M and DB15F?
>> 
>> 
>> 
>> 
>> Regards,
>> Peter Dougherty, W2IRT
>> 
>> DXCC Card Checker/CQ-WAZ Checkpoint
>> 
>> www.facebook.com/W2IRT
>> 
>> 
>> 
>> __
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft 
>> 
>> Help: http://mailman.qth.net/mmfaq.htm 
>> 
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>> 
>> 
>> This list hosted by: http://www.qsl.net  Please 
>> help support this email list: http://www.qsl.net/donate.html 
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Re: [Elecraft] Relocating my KPA-1500 - need cable

[Bob Wilson, N6TV]

Peter,

My records show that you purchased the original Y-BOX v1.3, which requires
an Elecraft AUX cable from Y-BOX to amp.  (The Y-BOX v2.x and v3.0 Y-BOXs
allow any DE-15 M/F non-VGA cable to be used instead of the Elecraft AUX
cable).

The easiest solution, if your electrician can snake a cable with the molded
DE15 connectors through the wall, is to insert a 25' M/F 15-pin extension
cable like this one *in series with your AMP AUX cable*.

https://cablesondemand.com/15-pin-hd-d-sub-cable-hd15/15-pin-hd15-deluxe-hd-d-sub-cable-copper-shielded-male-female-cs-dsdhd15mf0-025

This will achieve the proper electrical connections, though at 31' total
length you may be at the limit of the maximum AUX cable length that will
work reliably.

Another option is to have your Electrician wire a pair of SHIELDED
"Ethernet" CAT6 (8-wire) outlets between shack and basement, with RJ-45
jacks mounted to the wall.  Wiring two pairs of outlets at each end will
allow both Elecraft AUX *and *Ethernet connections to the amp from
upstairs, providing a good connection for the KPA1500 Remote software
running on a PC upstairs.  But, KPA1500 firmware updates (rare these days)
will still require a direct USB connection to the amp.

If using RJ-45 jacks (something Electricians regularly install), I can make
you a custom DE15M to RJ45 shielded cable to reach from Y-BOX to the wall
jack, and a second RJ45 to DE15F cable from basement wall jack to the AMP
AUX.  Only 8 pins out of the 15 will be connected, but that will be
sufficient.  I could theoretically make a USB to RJ45 cable that would
allow USB connection to the amp. for firmware updates, but the theoretical
maximum length if USB 2.0 is about 15', so that may not work well at all.

73,
Bob, N6TV
https://bit.ly/Y-BOX

On Thu, Jun 2, 2022 at 8:11 AM  wrote:

> I need to move my KPA-1500 into the basement, and I've got an electrician
> coming to put in the new outlet next week. But the only tricky issue now is
> finding the correct cable to run to the amp from my Y-Box to provide
> frequency/band data, etc. I will need a cable run of about 20 feet, which
> will need to run behind the wall, down into a crawlspace, then through a
> concrete wall to the new rack.
>
> With sub-optimal eyesight and shaky hands, I'm not sure I'd by much good
> making one, but if they're not available easily in the aftermarket I guess
> I
> can give it a shot. Does anybody know where to find a pre-made ~20ish foot
> long cable, or if not, (a) what pinouts do I need, (b) where to source the
> correct cable to do this properly, and (c) what connectors-I'm guessing
> DB15M and DB15F?
>
>
> 
>
> Regards,
> Peter Dougherty, W2IRT
>
> DXCC Card Checker/CQ-WAZ Checkpoint
>
> www.facebook.com/W2IRT
>
>
>
> __
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> Message delivered to n...@arrl.net
>
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Re: [Elecraft] Relocating my KPA-1500 - need cable

[Jack Brindle via Elecraft]

Using a network connection would be a very good idea. Auxbus is not meant to go 
20 feet, and indeed will probably fail at that distance.
Thus using an alternate method to get frequency info to the amplifier would be 
a good idea.

73,
Jack, W6FB


> On Jun 2, 2022, at 10:34 AM, David Decoons  wrote:
> 
> Hi Peter,
> 
> Contact Bob, N6TV. He can make good quality DB 15 cables that are shielded.
> 
> Let me know when you are ready and I can help. Also you can do it as we 
> discussed on the phone via the network, running a CAT 6 cable.
> 
> Call me if you have questions.
> 
> 73
> Dave wo2x
> 
> Sent from my iPad
> 
>> On Jun 2, 2022, at 11:12 AM, li...@w2irt.net  wrote:
>> 
>> I need to move my KPA-1500 into the basement, and I've got an electrician
>> coming to put in the new outlet next week. But the only tricky issue now is
>> finding the correct cable to run to the amp from my Y-Box to provide
>> frequency/band data, etc. I will need a cable run of about 20 feet, which
>> will need to run behind the wall, down into a crawlspace, then through a
>> concrete wall to the new rack.
>> 
>> With sub-optimal eyesight and shaky hands, I'm not sure I'd by much good
>> making one, but if they're not available easily in the aftermarket I guess I
>> can give it a shot. Does anybody know where to find a pre-made ~20ish foot
>> long cable, or if not, (a) what pinouts do I need, (b) where to source the
>> correct cable to do this properly, and (c) what connectors-I'm guessing
>> DB15M and DB15F?
>> 
>> 
>> 
>> 
>> Regards,
>> Peter Dougherty, W2IRT
>> 
>> DXCC Card Checker/CQ-WAZ Checkpoint
>> 
>> www.facebook.com/W2IRT
>> 
>> 
>> 
>> __
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>> 
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>> Post: mailto:Elecraft@mailman.qth.net 
>> 
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>> Please help support this email list: http://www.qsl.net/donate.html 
>> 
>> Message delivered to rocke...@gmail.com  
> __
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Re: [Elecraft] Relocating my KPA-1500 - need cable

[David Decoons]

Hi Peter,

Contact Bob, N6TV. He can make good quality DB 15 cables that are shielded.

Let me know when you are ready and I can help. Also you can do it as we 
discussed on the phone via the network, running a CAT 6 cable.

Call me if you have questions.

73
Dave wo2x

Sent from my iPad

> On Jun 2, 2022, at 11:12 AM, li...@w2irt.net wrote:
> 
> I need to move my KPA-1500 into the basement, and I've got an electrician
> coming to put in the new outlet next week. But the only tricky issue now is
> finding the correct cable to run to the amp from my Y-Box to provide
> frequency/band data, etc. I will need a cable run of about 20 feet, which
> will need to run behind the wall, down into a crawlspace, then through a
> concrete wall to the new rack.
> 
> With sub-optimal eyesight and shaky hands, I'm not sure I'd by much good
> making one, but if they're not available easily in the aftermarket I guess I
> can give it a shot. Does anybody know where to find a pre-made ~20ish foot
> long cable, or if not, (a) what pinouts do I need, (b) where to source the
> correct cable to do this properly, and (c) what connectors-I'm guessing
> DB15M and DB15F?
> 
> 
> 
> 
> Regards,
> Peter Dougherty, W2IRT
> 
> DXCC Card Checker/CQ-WAZ Checkpoint
> 
> www.facebook.com/W2IRT
> 
> 
> 
> __
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[Elecraft] Relocating my KPA-1500 - need cable

[lists]

I need to move my KPA-1500 into the basement, and I've got an electrician
coming to put in the new outlet next week. But the only tricky issue now is
finding the correct cable to run to the amp from my Y-Box to provide
frequency/band data, etc. I will need a cable run of about 20 feet, which
will need to run behind the wall, down into a crawlspace, then through a
concrete wall to the new rack.

With sub-optimal eyesight and shaky hands, I'm not sure I'd by much good
making one, but if they're not available easily in the aftermarket I guess I
can give it a shot. Does anybody know where to find a pre-made ~20ish foot
long cable, or if not, (a) what pinouts do I need, (b) where to source the
correct cable to do this properly, and (c) what connectors-I'm guessing
DB15M and DB15F?




Regards,
Peter Dougherty, W2IRT

DXCC Card Checker/CQ-WAZ Checkpoint

www.facebook.com/W2IRT

 

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Re: [Elecraft] New K4 Beta Software Available (Release 30/Beta 2)

[Rich WC3T]

I commend to you “The Devil’s DP Dictionary” by Stan Kelly-Bootle. 

“One line patch” - a code modification so trivial that it only requires a 
change to one line of code to correct its function. Further corrected by 
another one line patch. 

72,
Rich Hurd / WC3T / DMR: 3142737  
Grid: FN20is
Bureaucracy is always in search of self-preservation.  — AA7BQ

> On Jun 2, 2022, at 10:14, Rick Tavan  wrote:
> 
> :-)  You CS majors will recall that you can prove that no significant
> program can be proven to be correct for all inputs and conditions.
> 
> /Rick N6XI
> 
> On Thu, Jun 2, 2022 at 12:44 AM Walter Underwood 
> wrote:
> 
 On Jun 1, 2022, at 7:30 PM, Wayne Burdick  wrote:
>>> 
>>> "There's always another bug," to quote an anonymous sage, but
>> please...go for it. We'd love to get hundreds of K4s going on this new
>> release, and hopefully promote it to full production status next week.
>> 
>> Q: What does it mean when the Python test suite passes?
>> A: It means the test suite is incomplete.
>> 
>> wunder
>> K6WRU
>> Walter Underwood
>> CM87wj
>> http://observer.wunderwood.org/ (my blog)
>> 
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>> 
> 
> 
> -- 
> --
> 
> Rick Tavan
> Truckee and Saratoga, CA
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Re: [Elecraft] New K4 Beta Software Available (Release 30/Beta 2)

[Rick Tavan]

:-)  You CS majors will recall that you can prove that no significant
program can be proven to be correct for all inputs and conditions.

/Rick N6XI

On Thu, Jun 2, 2022 at 12:44 AM Walter Underwood 
wrote:

> > On Jun 1, 2022, at 7:30 PM, Wayne Burdick  wrote:
> >
> > "There's always another bug," to quote an anonymous sage, but
> please...go for it. We'd love to get hundreds of K4s going on this new
> release, and hopefully promote it to full production status next week.
>
> Q: What does it mean when the Python test suite passes?
> A: It means the test suite is incomplete.
>
> wunder
> K6WRU
> Walter Underwood
> CM87wj
> http://observer.wunderwood.org/ (my blog)
>
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> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to rta...@gmail.com
>


-- 
--

Rick Tavan
Truckee and Saratoga, CA
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Re: [Elecraft] Complements to Elecraft Service

[N2TK via Elecraft]

Yep, service is still good. I sent out one of my K3's for a going over to make 
sure it met factory standards and was up to date with mods before I sell it 
since I now have a K4D. Priority mailed it on 5/18. Got an email yesterday with 
the report and invoice that it is ready to ship back.
Fast service!N2TK, Tony 


-Original Message-
From: Dave (NK7Z) 
To: elecraft@mailman.qth.net 
Sent: Wed, Jun 1, 2022 7:12 pm
Subject: [Elecraft] Complements to Elecraft Service

Hi,
It looks like Elecraft service is ticking along well...  I sent in a P3 
for some minor work, about 3 weeks ago, and just got the bill and 
shipping note from them.  So the repair took 3 weeks!  Glad to see this!
-- 
73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources
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Re: [Elecraft] Kanga R2pro kits

[hawley, charles j jr]

Here are two ideas...


Si5351A VFO/SigGen (qrp-labs.com)
Si5351A VFO/SigGen - QRP Labs
3-30MHz Low Distortion Sinewave Signal Generator. The Si5351A Synth in the 
VFO/SigGen kit produces a squarewave output. Starting in firmware version s1.03 
the processor can control the 6 relays in the 6-band Relay-switched LPF 
kit.This feature can be used to automatically select a LPF depending on the VFO 
operating frequency, to optimally remove the harmonics and leave only a nice 
high quality ...
www.qrp-labs.com
XG3_XG3 RF Signal Source – Elecraft
[http://cdn.shopify.com/s/files/1/2029/4979/products/XG3_550_1024x1024.jpg?v=1518590481]
XG3_XG3 RF Signal Source – Elecraft
Introduction The XG3 is a powerful programmable signal source that fits in the 
palm of your hand. It's a versatile tool that may be used for receiver testing, 
receiver alignment, RF signal tracing and troubleshooting and may even serve as 
a VFO or local oscillator or homebrew projects. Overview OVERVIEW The XG3 is a
elecraft.com


​Chuck Hawley
 c-haw...@illinois.edu

 Amateur Radio, KE9UW
 aka Jack, BMW Motorcycles
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