Randy

> On Jan 20, 2017, at 11:01, [email protected] wrote:
> 
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> Today's Topics:
> 
>   1. Re: K3: past chirp report (Wayne Burdick)
>   2. K3/P3/expert 1.3KA ([email protected])
>   3. Re: K3: past chirp report (Guy Olinger K2AV)
>   4. Re: K3: past chirp report (Wayne Burdick)
>   5. Re: K3/P3/expert 1.3KA (Jim Brown)
>   6. Elecraft KX3 Still For Sale (Bill Wetherill)
>   7. Re: K3: past chirp report (Nr4c)
>   8. Any ideas on how to run serial (DB9) and USBserial at    the
>      same time? (David Orman)
>   9. Re: Any ideas on how to run serial (DB9) and USBserial at    the
>      same time? (Harry Yingst)
>  10. Re: K3/P3/expert 1.3KA (W0MU Mike Fatchett)
>  11. Re: Any ideas on how to run serial (DB9) and USBserial at the
>      same time? (Don Wilhelm)
>  12. Re: Any ideas on how to run serial (DB9) and USBserial at the
>      same time? (David Orman)
>  13. Re: K3: past chirp report (Ron D'Eau Claire)
>  14. Re: Any ideas on how to run serial (DB9) and USBserial at the
>      same time? (Don Wilhelm)
>  15. Re: Any ideas on how to run serial (DB9) and USBserial at the
>      same time? (tomb18)
>  16. Re: K3/P3/expert 1.3KA (Igor Sokolov)
>  17. [KPA500] Pushing an amplifier (Al Lorona)
> Send Elecraft mailing list submissions to
>    [email protected]
> 
> To subscribe or unsubscribe via the World Wide Web, visit
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> or, via email, send a message with subject or body 'help' to
>    [email protected]
> 
> You can reach the person managing the list at
>    [email protected]
> 
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Elecraft digest..."
> 
> 
> Today's Topics:
> 
>   1. Re: K3: past chirp report (Wayne Burdick)
>   2. K3/P3/expert 1.3KA ([email protected])
>   3. Re: K3: past chirp report (Guy Olinger K2AV)
>   4. Re: K3: past chirp report (Wayne Burdick)
>   5. Re: K3/P3/expert 1.3KA (Jim Brown)
>   6. Elecraft KX3 Still For Sale (Bill Wetherill)
>   7. Re: K3: past chirp report (Nr4c)
>   8. Any ideas on how to run serial (DB9) and USBserial at    the
>      same time? (David Orman)
>   9. Re: Any ideas on how to run serial (DB9) and USBserial at    the
>      same time? (Harry Yingst)
>  10. Re: K3/P3/expert 1.3KA (W0MU Mike Fatchett)
>  11. Re: Any ideas on how to run serial (DB9) and USBserial at the
>      same time? (Don Wilhelm)
>  12. Re: Any ideas on how to run serial (DB9) and USBserial at the
>      same time? (David Orman)
>  13. Re: K3: past chirp report (Ron D'Eau Claire)
>  14. Re: Any ideas on how to run serial (DB9) and USBserial at the
>      same time? (Don Wilhelm)
>  15. Re: Any ideas on how to run serial (DB9) and USBserial at the
>      same time? (tomb18)
>  16. Re: K3/P3/expert 1.3KA (Igor Sokolov)
>  17. [KPA500] Pushing an amplifier (Al Lorona)
>  18. Re: K3: past chirp report (Barry)
>  19. Re: K3: past chirp report (Charlie T, K3ICH)
>  20. Re: Any ideas on how to run serial (DB9) and USBserial at the
>      same time? (David Orman)
>  21. Re: Any ideas on how to run serial (DB9) and USBserial at the
>      same time? (Joe Subich, W4TV)
>  22.  KX2 Receive problem!? (Chuck Guenther)
>  23. Re: K3: past chirp report ([email protected])
>  24. Re: Any ideas on how to run serial (DB9) and USBserial at the
>      same time? (Harry Yingst)
>  25. Re: K3: past chirp report (Ron D'Eau Claire)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Thu, 19 Jan 2017 13:31:30 -0800
> From: Wayne Burdick <[email protected]>
> To: "Ron D'Eau Claire" <[email protected]>
> Cc: "'Doug Smith'" <[email protected]>,    "'Elecraft Reflector'"
>    <[email protected]>
> Subject: Re: [Elecraft] K3: past chirp report
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=windows-1252
> 
> Under normal circumstances, it is impossible for a K3 or K3S for exhibit 
> "chirp." The synthesizer settles well before the rig switches from TX to RX 
> or vice-versa. 
> 
> The KSYN3A (newer synth, used in the K3S) settles in well under 1 ms thanks 
> to its entirely digital architecture (UHF DSPLL, divided down). 
> 
> The KSYN3 (older synth, used on the K3) uses a more traditional PLL with its 
> VCO running at the target output frequency. It normally settles in under 5 
> ms. It can take a bit longer depending on the actual PLL voltage and VCO 
> frequency. This is accounted for in firmware. 
> 
> If your KSYN3 were not properly calibrated, you might see a longer settling 
> time on one or two bands, most likely 6 meters. If you suspect this, refer to 
> the CONFIG:VCO MD menu entry. The K3 includes an automatic VCO calibration 
> routine that requires no test equipment and takes only a couple of minutes to 
> run.
> 
> Wayne
> N6KR
> 
> 
> 
>> On Jan 19, 2017, at 12:57 PM, "Ron D'Eau Claire" <[email protected]> wrote:
>> 
>> In a synthesized VFO rig like the K3S, any tendency to "chirp" is almost 
>> always related to the synthesizer momentarily losing frequency (or phase) 
>> lock. 
>> 
>> While that could conceivably be linked to change in the power bus voltage, 
>> it's highly unlikely since the bus is isolated from the actual synthesizer 
>> by voltage regulators and filters.
>> 
>> OTOH, the OO's report was strictly advisory. I have experienced spurious OO 
>> reports over my >50 years of pounding brass, and one that turned out to be 
>> accurate when I blew the filter caps in the transmitter and did not notice, 
>> nor did the stations I was working report the hum on my signal. When I got a 
>> "chirp" report one time (on a homebrew rig) and was unable to hear it 
>> myself, I sent a friendly letter to the OO. He replied that he was "almost 
>> sure" he could detect a "slight chirp" so he sent the card. 
>> 
>> So my advice is that if you can't repeat what the OO observed, don't worry 
>> about it. 
>> 
>> 73, Ron AC7AC
>> 
>> 
>> 
>> -----Original Message-----
>> From: Elecraft [mailto:[email protected]] On Behalf Of Doug 
>> Smith
>> Sent: Thursday, January 19, 2017 11:09 AM
>> To: Elecraft Reflector
>> Subject: Re: [Elecraft] K3: past chirp report
>> 
>> Yup, that was me.
>> 
>> There were some good suggestions made here and I?ve checked them all and I?m 
>> unable to get the K3S to chirp.  So, at present: unable to replicate..
>> 
>> Some of the suggested things I?ve checked:
>> 
>> 1) SWR at the K3S while driving the ACOM 1500 (same operating conditions) is 
>> 1.05 to 1.  SWR between the ACOM and the antenna at the noted frequency is 
>> 1.2 to 1.
>> 
>> 2) Voltage at the K3S is 13.8 key up and 13.2 key down; seems OK.  Power 
>> supply is a switcher which I?ve used for some years.
>> 
>> 3) K3S is drawing 21.96 amps key down.  (Not running 100 watts into the amp.)
>> 
>> 4) I?ve intentionally ?mis-tuned? the amp just in case that is what was 
>> going on when the OO noticed the chirp.  I did this by tuning up properly at 
>> 14.001 and then QSYing to 14.083 and transmitting while monitoring with a 
>> different receiver.  No chirp, clicks or other anomalies.  This is a much 
>> worse operating condition than I normally encounter.  It?s so easy to tune 
>> the ACOM that I keep it properly tweaked.  Also, I was operating in CW SS 
>> and in the middle of a 2 hour run when the OO heard me chirping and I have a 
>> tough time imagining that I?d sit on a given frequency for two hours without 
>> making sure I was properly tuned.
>> 
>> 5) I do not use ALC between the K3S and the ACOM.  I do run with specific 
>> power levels on each band (great feature, BTW) such that I?m not able to 
>> overdrive the amp.
>> 
>> 6) I?ve checked my in-the-shack coax jumper cables and I don?t see any 
>> issues.  The antenna end of the coax is currently under 2 feet of snow so I 
>> haven?t looked at it.  But, I?m getting normal SWR readings here in the 
>> shack.  There isn?t any arcing going on or the amp would shut down.  No RF 
>> in the shack; no TVI or other issues in the house.
>> 
>> 7) I recently made 535 QSO?s in NAQP CW and did quite a bit of listening on 
>> a second receiver, never heard a chirp.  I wasn?t using the ACOM so I ran 
>> the K3S at 100 watts.  And, finally, I have not yet received another OO 
>> report after the NAQP.    ;-)
>> 
>> I dunno what to think.  The issue remains unresolved but I am unable to 
>> replicate the problem.
>> 
>> 73,
>> Doug, W7KF
>> http://www.w7kf.com <http://www.w7kf.com/>
>> 
>> 
>> 
>>> On Jan 19, 2017, at 9:44 AM, Richard Fjeld <[email protected]> wrote:
>>> 
>>> A few weeks ago, someone had received a chirp report.  Did that ever 
>>> get resolved?
>>> 
>>> Dick, n0ce
>>> 
>>> --
>> ______________________________________________________________
>> Elecraft mailing list
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>> 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 Message 
>> delivered to [email protected]
>> 
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[email protected]
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to [email protected]
> 
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Thu, 19 Jan 2017 16:59:39 -0500
> From: [email protected]
> To: [email protected]
> Subject: [Elecraft] K3/P3/expert 1.3KA
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset="US-ASCII"
> 
> I have a question?
> I have a K-3/P-3 with a Expert 1.3 k amp. Due to the low swr cut off point  
> of the Expert amp (1.7) and the high swr of my antenna (2.3) I am  looking 
> for a Antenna Tuner. I have selected a Palstar HF Auto. My question is  what 
> will the Expert amp do when the tuner is tuning. I was under the  
> impression that since the connection between the K3/P3 and the amp and the 
> tuner  are 
> all 50 ohms, and there fore a 1:1 swr the amp  would see a match  of 1:1 
> and there would be no reduction in power due to the antenna  mismatch. Is 
> this 
> correct. 
> 
> Gerald Muller K9GEM
> [email protected] 
> 
> ------------------------------
> 
> Message: 3
> Date: Thu, 19 Jan 2017 17:11:45 -0500
> From: Guy Olinger K2AV <[email protected]>
> To: Doug Smith <[email protected]>
> Cc: Elecraft Reflector <[email protected]>
> Subject: Re: [Elecraft] K3: past chirp report
> Message-ID:
>    <canckpc06tt-aycmubtn5zcx4ucsfqvmdsduu8ikrd7mtrcg...@mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
> 
>> On Thu, Jan 19, 2017 at 2:09 PM, Doug Smith <[email protected]> wrote:
>> 2) Voltage at the K3S is 13.8 key up and 13.2 key down; seems OK.  Power 
>> supply is a switcher which I?ve used for some years.
>> 
>> 3) K3S is drawing 21.96 amps key down.  (Not running 100 watts into the amp.)
> 
> 2) that's too much of a drop. Running 40 watts out to drive my Alpha
> 8410, the voltage is 14.1 key up and 13.9 key down reading from the
> transceiver display. 3) 40 watt current draw is 10.8 amps.
> 
> You should run your power supply at 14.2 volts out, use a short cord to the 
> K3S.
> 
> 73, Guy K2AV
> 
> 
> ------------------------------
> 
> Message: 4
> Date: Thu, 19 Jan 2017 14:16:34 -0800
> From: Wayne Burdick <[email protected]>
> To: Guy Olinger K2AV <[email protected]>
> Cc: Doug Smith <[email protected]>, Elecraft Reflector
>    <[email protected]>
> Subject: Re: [Elecraft] K3: past chirp report
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=windows-1252
> 
> This is not a factor in synthesizer switching. Both the old and new synths 
> incorporate their own voltage regulators, preserve identical signal integrity 
> down to a power supply voltage of around 9 VDC. That's about as low as the 
> radio can go in any case.
> 
> Wayne
> N6KR
> 
> 
>> On Jan 19, 2017, at 2:11 PM, Guy Olinger K2AV <[email protected]> wrote:
>> 
>>> On Thu, Jan 19, 2017 at 2:09 PM, Doug Smith <[email protected]> wrote:
>>> 2) Voltage at the K3S is 13.8 key up and 13.2 key down; seems OK.  Power 
>>> supply is a switcher which I?ve used for some years.
>>> 
>>> 3) K3S is drawing 21.96 amps key down.  (Not running 100 watts into the 
>>> amp.)
>> 
>> 2) that's too much of a drop. Running 40 watts out to drive my Alpha
>> 8410, the voltage is 14.1 key up and 13.9 key down reading from the
>> transceiver display. 3) 40 watt current draw is 10.8 amps.
>> 
>> You should run your power supply at 14.2 volts out, use a short cord to the 
>> K3S.
>> 
>> 73, Guy K2AV
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[email protected]
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to [email protected]
> 
> 
> 
> ------------------------------
> 
> Message: 5
> Date: Thu, 19 Jan 2017 14:20:07 -0800
> From: Jim Brown <[email protected]>
> To: [email protected]
> Subject: Re: [Elecraft] K3/P3/expert 1.3KA
> Message-ID:
>    <[email protected]>
> Content-Type: text/plain; charset=windows-1252; format=flowed
> 
>> On Thu,1/19/2017 1:59 PM, Jerry Muller via Elecraft wrote:
>> I am  looking
>> for a Antenna Tuner. I have selected a Palstar HF Auto.
> 
> Why an automatic tuner?  The amp has an auto-tuner, and the two are 
> unlikely to play well together. Instead, I'd look at a good manual tuner 
> like the Ten Tec 238. I've owned several of them and find them to be 
> good performers. So did ARRL Labs when they tested them many years ago.
> 
> Ten Tec has been sold a couple of times and new 238s are probably no 
> longer available, but used 238s are usually available on the used 
> market. Best bet are the B and C models, which have a vernier readout 
> for the inductor, as opposed to a dial cord in the older models. Expect 
> to pay about $400 for the B or C, $300-350 for the older units.  The 229 
> is electrically and mechanically the same as the older 238s, but in a 
> cabinet that matches older Ten Tec rigs.
> 
> To use this tuner in your station, set the SPE to bypass mode, tune it 
> for the bands where you operate and log the settings. Then put the SPE 
> tuner back in line in auto mode and let the auto tuner do its thing to 
> cover the band(s) as you QSY.
> 
> 73, Jim K9YC
> 
> 
> 
> ------------------------------
> 
> Message: 6
> Date: Thu, 19 Jan 2017 17:37:30 -0500
> From: Bill Wetherill <[email protected]>
> To: [email protected]
> Subject: [Elecraft] Elecraft KX3 Still For Sale
> Message-ID:
>    <CAGrny=dwmywvdxqzaskaqqfowkbvnvkrnu_v79+2nymtf4q...@mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
> 
> Still For Sale:  Elecraft KX3 (Excellent Condition)
> Antenna Tuner
> Roofing Filter
> KX3 Desk Stand
> KX3 End Panels
> KX3 Cover
> Construction and Operation Manuals
> Power Cord
> New Price
> Shipped to CONUS  $1,000.00
> 
> Pics on request.
> PayPal Preferred
> 
> Thanks, Bill - N2WG
> 
> 
> ------------------------------
> 
> Message: 7
> Date: Thu, 19 Jan 2017 19:06:36 -0500
> From: Nr4c <[email protected]>
> To: Doug Smith <[email protected]>
> Cc: Elecraft Reflector <[email protected]>
> Subject: Re: [Elecraft] K3: past chirp report
> Message-ID: <[email protected]>
> Content-Type: text/plain;    charset=utf-8
> 
> On this subject. I did notice a "chirping" signal during the NAQP last Sat. 
> No idea of call, should have made a note I guess. Second time in a week I 
> heard this on the air. 
> 
> Sent from my iPhone
> ...nr4c. bill
> 
> 
>> On Jan 19, 2017, at 2:09 PM, Doug Smith <[email protected]> wrote:
>> 
>> Yup, that was me.
>> 
>> There were some good suggestions made here and I?ve checked them all and I?m 
>> unable to get the K3S to chirp.  So, at present: unable to replicate..
>> 
>> Some of the suggested things I?ve checked:
>> 
>> 1) SWR at the K3S while driving the ACOM 1500 (same operating conditions) is 
>> 1.05 to 1.  SWR between the ACOM and the antenna at the noted frequency is 
>> 1.2 to 1.
>> 
>> 2) Voltage at the K3S is 13.8 key up and 13.2 key down; seems OK.  Power 
>> supply is a switcher which I?ve used for some years.
>> 
>> 3) K3S is drawing 21.96 amps key down.  (Not running 100 watts into the amp.)
>> 
>> 4) I?ve intentionally ?mis-tuned? the amp just in case that is what was 
>> going on when the OO noticed the chirp.  I did this by tuning up properly at 
>> 14.001 and then QSYing to 14.083 and transmitting while monitoring with a 
>> different receiver.  No chirp, clicks or other anomalies.  This is a much 
>> worse operating condition than I normally encounter.  It?s so easy to tune 
>> the ACOM that I keep it properly tweaked.  Also, I was operating in CW SS 
>> and in the middle of a 2 hour run when the OO heard me chirping and I have a 
>> tough time imagining that I?d sit on a given frequency for two hours without 
>> making sure I was properly tuned.
>> 
>> 5) I do not use ALC between the K3S and the ACOM.  I do run with specific 
>> power levels on each band (great feature, BTW) such that I?m not able to 
>> overdrive the amp.
>> 
>> 6) I?ve checked my in-the-shack coax jumper cables and I don?t see any 
>> issues.  The antenna end of the coax is currently under 2 feet of snow so I 
>> haven?t looked at it.  But, I?m getting normal SWR readings here in the 
>> shack.  There isn?t any arcing going on or the amp would shut down.  No RF 
>> in the shack; no TVI or other issues in the house.
>> 
>> 7) I recently made 535 QSO?s in NAQP CW and did quite a bit of listening on 
>> a second receiver, never heard a chirp.  I wasn?t using the ACOM so I ran 
>> the K3S at 100 watts.  And, finally, I have not yet received another OO 
>> report after the NAQP.    ;-)
>> 
>> I dunno what to think.  The issue remains unresolved but I am unable to 
>> replicate the problem.
>> 
>> 73,
>> Doug, W7KF
>> http://www.w7kf.com <http://www.w7kf.com/>
>> 
>> 
>> 
>>> On Jan 19, 2017, at 9:44 AM, Richard Fjeld <[email protected]> wrote:
>>> 
>>> A few weeks ago, someone had
> 
> 
> 
> ------------------------------
> 
> Message: 8
> Date: Thu, 19 Jan 2017 18:19:07 -0600
> From: David Orman <[email protected]>
> To: Elecraft Reflector <[email protected]>
> Subject: [Elecraft] Any ideas on how to run serial (DB9) and USBserial
>    at    the same time?
> Message-ID:
>    <CAGxZ45poZjyMTq=98k-jgna6raqyy7l-xmfcddba3f9rnbr...@mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
> 
> Hi,
> 
> I'd like to have serial output via db9 and also usb at the same time with
> my KX3. Is this something possible? ie: have the cable run from my
> KXPA100(I have a KX3/KXPA100/PX3 trio) to some sort of external box with a
> DB9connector using the KXSER option, and that box would have a second
> DB9port (or cable running from it) so I could connect something else that
> needed serial access, in addition to a USB port (or another serial port) I
> could use to connect to my PC.
> 
> I need something that ends up like this:
> 
> KX3/KXPA100/PX3 (firmware updates/backups/computer control) -> MAGIC BOX
> MAGIC BOX -> another accessory via DB9/serial
> MAGIC BOX -> computer via USB ideally, or via serial with an adapter for
> USB for the computer
> 
> I'm not having a whole lot of luck searching Google for something of this
> nature, so I'm looking for suggestions (open to completely different
> solutions).
> 
> Thank you,
> David
> 
> 
> ------------------------------
> 
> Message: 9
> Date: Fri, 20 Jan 2017 02:19:29 +0000 (UTC)
> From: Harry Yingst <[email protected]>
> To: David Orman <[email protected]>,    Elecraft Reflector
>    <[email protected]>
> Subject: Re: [Elecraft] Any ideas on how to run serial (DB9) and
>    USBserial at    the same time?
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=UTF-8
> 
> Do a google search for LP-Bridge
> 
>      From: David Orman <[email protected]>
> To: Elecraft Reflector <[email protected]> 
> Sent: Thursday, January 19, 2017 7:19 PM
> Subject: [Elecraft] Any ideas on how to run serial (DB9) and USBserial at the 
> same time?
> 
> Hi,
> 
> I'd like to have serial output via db9 and also usb at the same time with
> my KX3. Is this something possible? ie: have the cable run from my
> KXPA100(I have a KX3/KXPA100/PX3 trio) to some sort of external box with a
> DB9connector using the KXSER option, and that box would have a second
> DB9port (or cable running from it) so I could connect something else that
> needed serial access, in addition to a USB port (or another serial port) I
> could use to connect to my PC.
> 
> I need something that ends up like this:
> 
> KX3/KXPA100/PX3 (firmware updates/backups/computer control) -> MAGIC BOX
> MAGIC BOX -> another accessory via DB9/serial
> MAGIC BOX -> computer via USB ideally, or via serial with an adapter for
> USB for the computer
> 
> I'm not having a whole lot of luck searching Google for something of this
> nature, so I'm looking for suggestions (open to completely different
> solutions).
> 
> Thank you,
> David
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[email protected]
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [email protected]
> 
> 
> 
> 
> ------------------------------
> 
> Message: 10
> Date: Thu, 19 Jan 2017 20:24:19 -0700
> From: W0MU Mike Fatchett <[email protected]>
> To: [email protected]
> Subject: Re: [Elecraft] K3/P3/expert 1.3KA
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=windows-1252; format=flowed
> 
> I have the Palstar manual tuner and it is a beast! AT4K  I think it can 
> tune a bed spring.
> 
> 
>> On 1/19/2017 3:20 PM, Jim Brown wrote:
>>> On Thu,1/19/2017 1:59 PM, Jerry Muller via Elecraft wrote:
>>> I am  looking
>>> for a Antenna Tuner. I have selected a Palstar HF Auto.
>> 
>> Why an automatic tuner?  The amp has an auto-tuner, and the two are 
>> unlikely to play well together. Instead, I'd look at a good manual 
>> tuner like the Ten Tec 238. I've owned several of them and find them 
>> to be good performers. So did ARRL Labs when they tested them many 
>> years ago.
>> 
>> Ten Tec has been sold a couple of times and new 238s are probably no 
>> longer available, but used 238s are usually available on the used 
>> market. Best bet are the B and C models, which have a vernier readout 
>> for the inductor, as opposed to a dial cord in the older models. 
>> Expect to pay about $400 for the B or C, $300-350 for the older 
>> units.  The 229 is electrically and mechanically the same as the older 
>> 238s, but in a cabinet that matches older Ten Tec rigs.
>> 
>> To use this tuner in your station, set the SPE to bypass mode, tune it 
>> for the bands where you operate and log the settings. Then put the SPE 
>> tuner back in line in auto mode and let the auto tuner do its thing to 
>> cover the band(s) as you QSY.
>> 
>> 73, Jim K9YC
>> 
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[email protected]
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to [email protected]
> 
> 
> 
> ------------------------------
> 
> Message: 11
> Date: Thu, 19 Jan 2017 22:47:03 -0500
> From: Don Wilhelm <[email protected]>
> To: David Orman <[email protected]>,    Elecraft Reflector
>    <[email protected]>
> Subject: Re: [Elecraft] Any ideas on how to run serial (DB9) and
>    USBserial at the same time?
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=windows-1252; format=flowed
> 
> David,
> 
> The solution for the KX3 and KXPA100 is greatly simplified if you use 
> the KX3 to KXPA100 adapter cable.
> You connect the KXPA100 to the personal computer and the adapter cable 
> splits out the RS-232 signalling to the KX3.  See the connections on 
> page 14 of the KXPA100 manual.  The KX3USB cable connects between the 
> KXPA100 and the PC.
> 
> No MAGIC BOX needed.
> 
> The PX3 does not have to be continuously connected to the computer.  For 
> firmware updates, Configuration Save and Restore, you can connect a 
> KX3USB cable and run the PX3 Utility for those operations (those are 
> done off-line and not real-time).
> 
> 73,
> Don W3FPR
> 
> 
> 
>> On 1/19/2017 7:19 PM, David Orman wrote:
>> Hi,
>> 
>> I'd like to have serial output via db9 and also usb at the same time with
>> my KX3. Is this something possible? ie: have the cable run from my
>> KXPA100(I have a KX3/KXPA100/PX3 trio) to some sort of external box with a
>> DB9connector using the KXSER option, and that box would have a second
>> DB9port (or cable running from it) so I could connect something else that
>> needed serial access, in addition to a USB port (or another serial port) I
>> could use to connect to my PC.
>> 
>> I need something that ends up like this:
>> 
>> KX3/KXPA100/PX3 (firmware updates/backups/computer control) -> MAGIC BOX
>> MAGIC BOX -> another accessory via DB9/serial
>> MAGIC BOX -> computer via USB ideally, or via serial with an adapter for
>> USB for the computer
>> 
> 
> 
> ------------------------------
> 
> Message: 12
> Date: Thu, 19 Jan 2017 21:53:20 -0600
> From: David Orman <[email protected]>
> To: [email protected]
> Cc: Elecraft Reflector <[email protected]>
> Subject: Re: [Elecraft] Any ideas on how to run serial (DB9) and
>    USBserial at the same time?
> Message-ID:
>    <CAGxZ45pgyazCMqOz4BK2m-=k3uwva+oanc-pxamyb6idmru...@mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
> 
> Hi Don,
> 
> This is what I'm currently doing. I need an additional RS232 output in
> addition to the connection to the PC for an external device that needs to
> track the vfo frequency of the KX3. I'd like to have the PC able to track
> what frequency/control what frequency my radio is tuned to, and at the same
> time have my external device also tracking the frequency the KX3 is tuned
> to. I apologize for being less than clear. :)
> 
> David
> 
>> On Thu, Jan 19, 2017 at 9:47 PM, Don Wilhelm <[email protected]> wrote:
>> 
>> David,
>> 
>> The solution for the KX3 and KXPA100 is greatly simplified if you use the
>> KX3 to KXPA100 adapter cable.
>> You connect the KXPA100 to the personal computer and the adapter cable
>> splits out the RS-232 signalling to the KX3.  See the connections on page
>> 14 of the KXPA100 manual.  The KX3USB cable connects between the KXPA100
>> and the PC.
>> 
>> No MAGIC BOX needed.
>> 
>> The PX3 does not have to be continuously connected to the computer.  For
>> firmware updates, Configuration Save and Restore, you can connect a KX3USB
>> cable and run the PX3 Utility for those operations (those are done off-line
>> and not real-time).
>> 
>> 73,
>> Don W3FPR
>> 
>> 
>> 
>> 
>>> On 1/19/2017 7:19 PM, David Orman wrote:
>>> 
>>> Hi,
>>> 
>>> I'd like to have serial output via db9 and also usb at the same time with
>>> my KX3. Is this something possible? ie: have the cable run from my
>>> KXPA100(I have a KX3/KXPA100/PX3 trio) to some sort of external box with a
>>> DB9connector using the KXSER option, and that box would have a second
>>> DB9port (or cable running from it) so I could connect something else that
>>> needed serial access, in addition to a USB port (or another serial port) I
>>> could use to connect to my PC.
>>> 
>>> I need something that ends up like this:
>>> 
>>> KX3/KXPA100/PX3 (firmware updates/backups/computer control) -> MAGIC BOX
>>> MAGIC BOX -> another accessory via DB9/serial
>>> MAGIC BOX -> computer via USB ideally, or via serial with an adapter for
>>> USB for the computer
>>> 
>>> 
> 
> 
> ------------------------------
> 
> Message: 13
> Date: Thu, 19 Jan 2017 19:56:08 -0800
> From: "Ron D'Eau Claire" <[email protected]>
> To: "'Nr4c'" <[email protected]>,    "'Doug Smith'" <[email protected]>
> Cc: "'Elecraft Reflector'" <[email protected]>
> Subject: Re: [Elecraft] K3: past chirp report
> Message-ID: <001d01d272d1$21ec20a0$65c461e0$@biz>
> Content-Type: text/plain;    charset="UTF-8"
> 
> Any time I work a station that has a less-than-normal signal I say so. Some 
> are running vintage rigs from the WWII era in which a little drift and chirp 
> are normal which usually results in a long rag-chew about the rig since I, 
> too, love vintage gear. Among the others, I don't know if any of them ignored 
> me but everyone said they greatly appreciated my report. 
> 
> 73, Ron AC7AC
> 
> 
> -----Original Message-----
> From: Elecraft [mailto:[email protected]] On Behalf Of Nr4c
> Sent: Thursday, January 19, 2017 4:07 PM
> To: Doug Smith
> Cc: Elecraft Reflector
> Subject: Re: [Elecraft] K3: past chirp report
> 
> On this subject. I did notice a "chirping" signal during the NAQP last Sat. 
> No idea of call, should have made a note I guess. Second time in a week I 
> heard this on the air. 
> 
> Sent from my iPhone
> ...nr4c. bill
> 
> 
>> On Jan 19, 2017, at 2:09 PM, Doug Smith <[email protected]> wrote:
>> 
>> Yup, that was me.
>> 
>> There were some good suggestions made here and I?ve checked them all and I?m 
>> unable to get the K3S to chirp.  So, at present: unable to replicate..
>> 
>> Some of the suggested things I?ve checked:
>> 
>> 1) SWR at the K3S while driving the ACOM 1500 (same operating conditions) is 
>> 1.05 to 1.  SWR between the ACOM and the antenna at the noted frequency is 
>> 1.2 to 1.
>> 
>> 2) Voltage at the K3S is 13.8 key up and 13.2 key down; seems OK.  Power 
>> supply is a switcher which I?ve used for some years.
>> 
>> 3) K3S is drawing 21.96 amps key down.  (Not running 100 watts into 
>> the amp.)
>> 
>> 4) I?ve intentionally ?mis-tuned? the amp just in case that is what was 
>> going on when the OO noticed the chirp.  I did this by tuning up properly at 
>> 14.001 and then QSYing to 14.083 and transmitting while monitoring with a 
>> different receiver.  No chirp, clicks or other anomalies.  This is a much 
>> worse operating condition than I normally encounter.  It?s so easy to tune 
>> the ACOM that I keep it properly tweaked.  Also, I was operating in CW SS 
>> and in the middle of a 2 hour run when the OO heard me chirping and I have a 
>> tough time imagining that I?d sit on a given frequency for two hours without 
>> making sure I was properly tuned.
>> 
>> 5) I do not use ALC between the K3S and the ACOM.  I do run with specific 
>> power levels on each band (great feature, BTW) such that I?m not able to 
>> overdrive the amp.
>> 
>> 6) I?ve checked my in-the-shack coax jumper cables and I don?t see any 
>> issues.  The antenna end of the coax is currently under 2 feet of snow so I 
>> haven?t looked at it.  But, I?m getting normal SWR readings here in the 
>> shack.  There isn?t any arcing going on or the amp would shut down.  No RF 
>> in the shack; no TVI or other issues in the house.
>> 
>> 7) I recently made 535 QSO?s in NAQP CW and did quite a bit of listening on 
>> a second receiver, never heard a chirp.  I wasn?t using the ACOM so I ran 
>> the K3S at 100 watts.  And, finally, I have not yet received another OO 
>> report after the NAQP.    ;-)
>> 
>> I dunno what to think.  The issue remains unresolved but I am unable to 
>> replicate the problem.
>> 
>> 73,
>> Doug, W7KF
>> http://www.w7kf.com <http://www.w7kf.com/>
>> 
>> 
>> 
>>> On Jan 19, 2017, at 9:44 AM, Richard Fjeld <[email protected]> wrote:
>>> 
>>> A few weeks ago, someone had
> 
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[email protected]
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html Message 
> delivered to [email protected]
> 
> 
> 
> ------------------------------
> 
> Message: 14
> Date: Thu, 19 Jan 2017 23:47:42 -0500
> From: Don Wilhelm <[email protected]>
> To: David Orman <[email protected]>
> Cc: Elecraft Reflector <[email protected]>
> Subject: Re: [Elecraft] Any ideas on how to run serial (DB9) and
>    USBserial at the same time?
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> David,
> 
> The LP-Bridge application has an output that you can set up which will 
> send some information to another serial port on the computer.  See the 
> LP-Bridge documentation at www.telepostinc.com.
> 
> 73,
> Don W3FPR
> 
>> On 1/19/2017 10:53 PM, David Orman wrote:
>> Hi Don,
>> 
>> This is what I'm currently doing. I need an additional RS232 output in 
>> addition to the connection to the PC for an external device that needs 
>> to track the vfo frequency of the KX3. I'd like to have the PC able to 
>> track what frequency/control what frequency my radio is tuned to, and 
>> at the same time have my external device also tracking the frequency 
>> the KX3 is tuned to. I apologize for being less than clear. :)
>> 
>> David
>> 
> 
> 
> 
> ------------------------------
> 
> Message: 15
> Date: Fri, 20 Jan 2017 00:37:21 -0500
> From: tomb18 <[email protected]>
> To: David Orman <[email protected]>, [email protected]
> Cc: Elecraft Reflector <[email protected]>
> Subject: Re: [Elecraft] Any ideas on how to run serial (DB9) and
>    USBserial at the same time?
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=utf-8
> 
> HiYou should check out win3k3 suite. It does exactly what you 
> wish.Tomva2fsq.com?
> 
> 
> Sent from my Samsung Galaxy smartphone.
> -------- Original message --------From: David Orman <[email protected]> 
> Date: 2017-01-19  10:53 PM  (GMT-05:00) To: [email protected] Cc: 
> Elecraft Reflector <[email protected]> Subject: Re: [Elecraft] Any 
> ideas on how to run serial (DB9) and USBserial at the same time? 
> Hi Don,
> 
> This is what I'm currently doing. I need an additional RS232 output in
> addition to the connection to the PC for an external device that needs to
> track the vfo frequency of the KX3. I'd like to have the PC able to track
> what frequency/control what frequency my radio is tuned to, and at the same
> time have my external device also tracking the frequency the KX3 is tuned
> to. I apologize for being less than clear. :)
> 
> David
> 
>> On Thu, Jan 19, 2017 at 9:47 PM, Don Wilhelm <[email protected]> wrote:
>> 
>> David,
>> 
>> The solution for the KX3 and KXPA100 is greatly simplified if you use the
>> KX3 to KXPA100 adapter cable.
>> You connect the KXPA100 to the personal computer and the adapter cable
>> splits out the RS-232 signalling to the KX3.? See the connections on page
>> 14 of the KXPA100 manual.? The KX3USB cable connects between the KXPA100
>> and the PC.
>> 
>> No MAGIC BOX needed.
>> 
>> The PX3 does not have to be continuously connected to the computer.? For
>> firmware updates, Configuration Save and Restore, you can connect a KX3USB
>> cable and run the PX3 Utility for those operations (those are done off-line
>> and not real-time).
>> 
>> 73,
>> Don W3FPR
>> 
>> 
>> 
>> 
>>> On 1/19/2017 7:19 PM, David Orman wrote:
>>> 
>>> Hi,
>>> 
>>> I'd like to have serial output via db9 and also usb at the same time with
>>> my KX3. Is this something possible? ie: have the cable run from my
>>> KXPA100(I have a KX3/KXPA100/PX3 trio) to some sort of external box with a
>>> DB9connector using the KXSER option, and that box would have a second
>>> DB9port (or cable running from it) so I could connect something else that
>>> needed serial access, in addition to a USB port (or another serial port) I
>>> could use to connect to my PC.
>>> 
>>> I need something that ends up like this:
>>> 
>>> KX3/KXPA100/PX3 (firmware updates/backups/computer control) -> MAGIC BOX
>>> MAGIC BOX -> another accessory via DB9/serial
>>> MAGIC BOX -> computer via USB ideally, or via serial with an adapter for
>>> USB for the computer
>>> 
>>> 
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[email protected]
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [email protected]
> 
> ------------------------------
> 
> Message: 16
> Date: Fri, 20 Jan 2017 10:44:19 +0500
> From: Igor Sokolov <[email protected]>
> To: [email protected]
> Subject: Re: [Elecraft] K3/P3/expert 1.3KA
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=UTF-8; format=flowed
> 
> Not all of Expert 1.3 are sold with internal antenna tuner. There are 
> amps without it. If I were in Jerry's situation I would purchase 
> internal antenna tuner from Expert for the sake of integration and speed.
> 
> 73, Igor UA9CDC
> 
> 
> 20.01.2017 3:20, Jim Brown ?????:
>>> On Thu,1/19/2017 1:59 PM, Jerry Muller via Elecraft wrote:
>>> I am  looking
>>> for a Antenna Tuner. I have selected a Palstar HF Auto.
>> 
>> Why an automatic tuner?  The amp has an auto-tuner, and the two are 
>> unlikely to play well together. Instead, I'd look at a good manual 
>> tuner like the Ten Tec 238. I've owned several of them and find them 
>> to be good performers. So did ARRL Labs when they tested them many 
>> years ago.
>> 
>> Ten Tec has been sold a couple of times and new 238s are probably no 
>> longer available, but used 238s are usually available on the used 
>> market. Best bet are the B and C models, which have a vernier readout 
>> for the inductor, as opposed to a dial cord in the older models. 
>> Expect to pay about $400 for the B or C, $300-350 for the older 
>> units.  The 229 is electrically and mechanically the same as the older 
>> 238s, but in a cabinet that matches older Ten Tec rigs.
>> 
>> To use this tuner in your station, set the SPE to bypass mode, tune it 
>> for the bands where you operate and log the settings. Then put the SPE 
>> tuner back in line in auto mode and let the auto tuner do its thing to 
>> cover the band(s) as you QSY.
>> 
>> 73, Jim K9YC
>> 
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[email protected]
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to [email protected]
>> .
>> 
> 
> 
> 
> ------------------------------
> 
> Message: 17
> Date: Fri, 20 Jan 2017 06:04:44 +0000 (UTC)
> From: Al Lorona <[email protected]>
> To: Elecraft Reflector <[email protected]>
> Subject: [Elecraft] [KPA500] Pushing an amplifier
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=UTF-8
> 
> Many of us would feel a psychological edge if we pushed an amplifier such as 
> the KPA500 from its rated 500 W to, say, 625 W. It sounds like so much more, 
> doesn't it? It sure makes us feel better to think that we're louder on the 
> other end.
> 
> But first, on your S-meter take a look at the width of one S-unit, which is 
> commonly held to be 6 dB. Now imagine that single S-unit divided into six 
> equal parts, each of them 1 dB.
> 
> If you have an analog S-meter the needle is probably wider than one of these 
> parts. Do you think you could hear a difference if a signal increased (or 
> decreased) by one of these skinny little 1 dB increments?
> 
> Well, the increase from 500 to 625 Watts is a little bit *less* than one of 
> these increments.
> 
> Furthermore, especially if you're on phone, the increase in in-band intermod 
> that results from pushing any amp may actually subtract a little bit of 
> intelligibility from your SSB signal. I don't know what the dB equivalent of 
> this "intelligibility loss" would be... but what if it's like 0.5 dB? It's 
> simply not worth it.
> 
> If you ever want to calculate for yourself the dB change from an increase or 
> decrease in power one place you can find the equations (as well as a link to 
> an on-line calculator) is here:
> 
> http://www.radio-electronics.com/info/formulae/decibels/decibel-formulae-equation.php
>  .
> 
> Someone will say, "But when your signal's right under the noise floor on 160 
> CW, that extra 0.9691 dB might help." I agree in advance-- to save you the 
> trouble of having to point out that rare situation. For the rest of us, the 
> conservatively rated output of the KPA500 should be just fine.
> 
> 
> 
> Al  W6LX
> 
> 
> ------------------------------
> 
> Message: 18
> Date: Fri, 20 Jan 2017 06:10:19 -0700 (MST)
> From: Barry <[email protected]>
> To: [email protected]
> Subject: Re: [Elecraft] K3: past chirp report
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=us-ascii
> 
> Does the radio automatically go into chirp mode if it detects operation from
> Cuba?
> Barry W2UP
> 
> 
> 
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/K3-past-chirp-report-tp7625892p7625920.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> 
> 
> ------------------------------
> 
> Message: 19
> Date: Fri, 20 Jan 2017 08:20:41 -0500
> From: "Charlie T, K3ICH" <[email protected]>
> To: <[email protected]>
> Subject: Re: [Elecraft] K3: past chirp report
> Message-ID: <[email protected]>
> Content-Type: text/plain;    charset="us-ascii"
> 
> No, only when you're sending Novice call.
> 
> Charlie k3ICH (ex KN3ICH)
> 
> I was so proud of that call, I bought a little call letter pin and wore it
> in high school.
> A non-techno buddy called me "Kenthrich". HI
> 
> -----Original Message-----
> From: Elecraft [mailto:[email protected]] On Behalf Of Barry
> Sent: Friday, January 20, 2017 8:10 AM
> To: [email protected]
> Subject: Re: [Elecraft] K3: past chirp report
> 
> Does the radio automatically go into chirp mode if it detects operation from
> Cuba?
> Barry W2UP
> 
> 
> 
> --
> View this message in context:
> http://elecraft.365791.n2.nabble.com/K3-past-chirp-report-tp7625892p7625920.
> html
> Sent from the Elecraft mailing list archive at Nabble.com.
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[email protected]
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html Message
> delivered to [email protected]
> 
> 
> 
> ------------------------------
> 
> Message: 20
> Date: Fri, 20 Jan 2017 07:39:54 -0600
> From: David Orman <[email protected]>
> To: [email protected]
> Cc: Elecraft Reflector <[email protected]>
> Subject: Re: [Elecraft] Any ideas on how to run serial (DB9) and
>    USBserial at the same time?
> Message-ID:
>    <cagxz45p-9xa_v7j7aaotmkl6tfl3sm+hlaxbmah6bzlsgoa...@mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
> 
> Thank you (everyone). I'm a Linux user so was hoping for a HW based
> solution but sounds like LP bridge is the answer based on the responses to
> this thread. Dual boot, here I come.
> 
> David
> 
>> On Jan 19, 2017 22:47, "Don Wilhelm" <[email protected]> wrote:
>> 
>> David,
>> 
>> The LP-Bridge application has an output that you can set up which will
>> send some information to another serial port on the computer.  See the
>> LP-Bridge documentation at www.telepostinc.com.
>> 
>> 73,
>> Don W3FPR
>> 
>>> On 1/19/2017 10:53 PM, David Orman wrote:
>>> 
>>> Hi Don,
>>> 
>>> This is what I'm currently doing. I need an additional RS232 output in
>>> addition to the connection to the PC for an external device that needs to
>>> track the vfo frequency of the KX3. I'd like to have the PC able to track
>>> what frequency/control what frequency my radio is tuned to, and at the same
>>> time have my external device also tracking the frequency the KX3 is tuned
>>> to. I apologize for being less than clear. :)
>>> 
>>> David
>>> 
>>> 
>> 
> 
> 
> ------------------------------
> 
> Message: 21
> Date: Fri, 20 Jan 2017 09:11:39 -0500
> From: "Joe Subich, W4TV" <[email protected]>
> To: [email protected], [email protected]
> Subject: Re: [Elecraft] Any ideas on how to run serial (DB9) and
>    USBserial at the same time?
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> On 1/19/2017 10:53 PM, David Orman wrote:
>>>> I need an additional RS232 output in addition to the connection
>>>> to the PC for an external device that needs to track the vfo
>>>> frequency of the KX3. I'd like to have the PC able to track what
>>>> frequency/control what frequency my radio is tuned to, and at the
>>>> same time have my external device also tracking the frequency the
>>>> KX3 is tuned to.
> 
> David,
> 
> What is the external device?  Does it need to poll the KX3 or is it
> satisfied by seeing the IF; and/or FA; responses to the logging
> software?
> 
> RS-232 is a point to point protocol and does not allow for multiple
> active transmitters at the same time. However, in some cases one
> can attach a second "receive only" device in parallel.  The typical
> connection is shown in the SteppIR "Y cable" schematic that I have
> sent to you directly (ignore the jumper between pins 7 and 9 as that
> is SteppIR specific).
> 
> If both the computer and hardware device must poll independently,
> you might be able to get away with a "Modem Data Splitter" like
> one of these from B&B Electronics: 
> http://www.bb-elec.com/Products/Serial-Connectivity/Serial-Data-Tools-Adapters/Port-Splitters.aspx>
> but you need to be careful that both the logger and hardware device
> do not send data to the KX3 at the same time since the modem data
> splitter is passive (diode isolation) and the data will be corrupted
> if both devices transmit at the same time.
> 
> 73,
> 
>    ... Joe, W4TV
> 
> 
> 
> ------------------------------
> 
> Message: 22
> Date: Fri, 20 Jan 2017 10:12:47 -0600
> From: Chuck Guenther <[email protected]>
> To: [email protected]
> Subject: [Elecraft]  KX2 Receive problem!?
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> Wayne,
> 
> Thanks for posting this!  Since the KX2 is my first SDR, it never 
> occurred to me to try the preamp on 80 meters.  In fact I was very happy 
> running with the preamp off, attenuator off, and RF gain set between 
> about -3dB and -6dB.  This morning I was listening to FK8DD, and found I 
> could copy him much better with preamp on, and RF gain at -10 dB, 
> attenuator still off..
> 
> BTW, I really like the AGC on the KX2, and often find myself trying to 
> adjust my K3 so it sounds as good as the KX2.
> 
> 73,
> 
> Chuck Guenther  NI0C
> 
> 
> 
> Quote from N6KR:
> 
> "First thing to check is to make sure the preamp is on, and the attenuator 
> turned off. Both are selected using the PRE switch. The KX2 is an SDR, and 
> typically such rigs have about -120 dBm MDS with preamp off, and -135 dBm 
> with preamp on. This can make a huge difference on a quiet band.
> 
> The dynamic range is good enough that you can probably leave the preamp on 
> all or most of the time.
> 
> Let me know if your received signals are still down after turning on the 
> preamp. If that doesn't fix it, you could have APF turned on (very narrow 
> audio peaking filter), or NR turned on (noise reduction), or you could have a 
> problem with a bandpass filter, etc.
> 
> 73,
> Wayne
> N6KR"
> 
> 
> 
> 
> 
> 
> 
> ------------------------------
> 
> Message: 23
> Date: Fri, 20 Jan 2017 11:40:46 -0500
> From: <[email protected]>
> To: [email protected]
> Subject: Re: [Elecraft] K3: past chirp report
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=us-ascii
> 
> 
> for all you churp cops,,, tune around during th antique radio contest,,
> no rig circuit
> made after 1929 is used,,,, i use a hartley  osc which can cherp out of
> the k3 pasband
> if i pushit over 3 watts to the antenna,,, it begains to sound real good
> 
> Bob
> K3DJC
> 
> http://www.antiquewireless.org/awa-on-the-air.html
> 
> 
> 
> 
> On Fri, 20 Jan 2017 06:10:19 -0700 (MST) Barry <[email protected]> writes:
>> Does the radio automatically go into chirp mode if it detects 
>> operation from
>> Cuba?
>> Barry W2UP
>> 
>> 
>> 
>> --
>> View this message in context: 
>> 
> http://elecraft.365791.n2.nabble.com/K3-past-chirp-report-tp7625892p76259
> 20.html
>> Sent from the Elecraft mailing list archive at Nabble.com.
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[email protected]
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to [email protected]
>> 
> 
> 
> 
> ------------------------------
> 
> Message: 24
> Date: Fri, 20 Jan 2017 16:54:55 +0000 (UTC)
> From: Harry Yingst <[email protected]>
> To: David Orman <[email protected]>,    "[email protected]"
>    <[email protected]>
> Cc: Elecraft Reflector <[email protected]>
> Subject: Re: [Elecraft] Any ideas on how to run serial (DB9) and
>    USBserial at the same time?
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=UTF-8
> 
> 
> LP-Bridge is the free solution and you could possible even run it in a 
> windows session under Virtual Box.
> 
> 
> There are hardware solutions out there to do what you want.?I had looked into 
> them in the past when I was considering moving back to Linux.
> 
> 
> 
> 
> 
>      From: David Orman <[email protected]>
> To: [email protected] 
> Cc: Elecraft Reflector <[email protected]>
> Sent: Friday, January 20, 2017 8:39 AM
> Subject: Re: [Elecraft] Any ideas on how to run serial (DB9) and USBserial at 
> the same time?
> 
> Thank you (everyone). I'm a Linux user so was hoping for a HW based
> solution but sounds like LP bridge is the answer based on the responses to
> this thread. Dual boot, here I come.
> 
> David
> 
>> On Jan 19, 2017 22:47, "Don Wilhelm" <[email protected]> wrote:
>> 
>> David,
>> 
>> The LP-Bridge application has an output that you can set up which will
>> send some information to another serial port on the computer.? See the
>> LP-Bridge documentation at www.telepostinc.com.
>> 
>> 73,
>> Don W3FPR
>> 
>>> On 1/19/2017 10:53 PM, David Orman wrote:
>>> 
>>> Hi Don,
>>> 
>>> This is what I'm currently doing. I need an additional RS232 output in
>>> addition to the connection to the PC for an external device that needs to
>>> track the vfo frequency of the KX3. I'd like to have the PC able to track
>>> what frequency/control what frequency my radio is tuned to, and at the same
>>> time have my external device also tracking the frequency the KX3 is tuned
>>> to. I apologize for being less than clear. :)
>>> 
>>> David
>>> 
>>> 
>> 
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[email protected]
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [email protected]
> 
> 
> 
> 
> ------------------------------
> 
> Message: 25
> Date: Fri, 20 Jan 2017 10:01:07 -0800
> From: "Ron D'Eau Claire" <[email protected]>
> To: <[email protected]>
> Subject: Re: [Elecraft] K3: past chirp report
> Message-ID: <002101d27347$2cca3f90$865ebeb0$@biz>
> Content-Type: text/plain;    charset="us-ascii"
> 
> There was a time, decades ago, when we could identify specific CW stations
> without waiting for call signs by the sound of their signal - bit of chirp
> (or yoop), touch of hum and, of course, by their fist on the straight key or
> bug.
> 
> Today we can fit a few more signals into the same band with absolutely clean
> rigs and keyers that make all signals sound the same - especially as more
> stations shift to keyboard CW that even removes slight differences in
> inter-character and inter-word spacing.
> 
> Even so, it was nice tuning across the band and being able to say with
> confidence, "That's Al in San Diego" or "Ernie in Detroit" or "Arnie in
> Havana". 
> 
> Immediately we knew a lot about band conditions too without beacons and
> other "modern" aids. 
> 
> 73, Ron AC7AC
> 
> -----Original Message-----
> From: Elecraft [mailto:[email protected]] On Behalf Of Barry
> Sent: Friday, January 20, 2017 5:10 AM
> To: [email protected]
> Subject: Re: [Elecraft] K3: past chirp report
> 
> Does the radio automatically go into chirp mode if it detects operation from
> Cuba?
> Barry W2UP
> 
> 
> 
> --
> View this message in context:
> http://elecraft.365791.n2.nabble.com/K3-past-chirp-report-tp7625892p7625920.
> html
> Sent from the Elecraft mailing list archive at Nabble.com.
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[email protected]
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html Message
> delivered to [email protected]
> 
> 
> 
> ------------------------------
> 
> Subject: Digest Footer
> 
> _______________________________________________
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> Post to: [email protected]
> http://mailman.qth.net/mailman/listinfo/elecraft
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> 
> ------------------------------
> 
> End of Elecraft Digest, Vol 153, Issue 26
> *****************************************

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