Instead on just another linear ( yawn!) why not apply the considerable Elecraft talents to developing a non linear highly efficient ( and light) all mode amp via the path described in this month's QEX?
Phil AA2EA Louisville Sent from my iPhone > On Mar 17, 2017, at 4:51 PM, [email protected] wrote: > > Send Elecraft mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://mailman.qth.net/mailman/listinfo/elecraft > 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: Linear thoughts (Alan. G4GNX) > 2. Re: Linear thoughts (Peter LaBissoniere) > 3. Re: Linear thoughts (Charlie Carroll) > 4. Re: Linear thoughts ([email protected]) > 5. Re: Linear thoughts (Wes Stewart) > 6. Re: Linear thoughts (Wayne Burdick) > 7. Re: Linear thoughts (Bud Semon) > 8. Re: Linear thoughts (Kevin - K4VD) > 9. Linear thoughts (Chuck Chandler) > 10. Re: Linear thoughts (Guy Olinger K2AV) > 11. New release of Win4K3Suite (Tom) > 12. R: Re: Linear thoughts ([email protected]) > 13. win4k3+hrd+dm780 (buddy s) > 14. Re: Linear thoughts (Chris Tate - N6WM) > 15. Re: Preamp 2 and upcoming F/W (Wayne Burdick) > 16. Re: Linear thoughts (Mitch) > 17. OT: RFI problem on 80,40 with AT&T Uverse (John Saxon) > 18. Re: (Elecraft) Linear thoughts (Thomas Donohue) > 19. Re: OT: RFI problem on 80,40 with AT&T Uverse (Fred Moore) > 20. Re: Linear thoughts (Bert Garcia N8NN) > 21. Re: Linear thoughts (brian) > 22. Re: OT: RFI problem on 80,40 with AT&T Uverse (brian) > 23. Re: Linear thoughts (John Fritze) > 24. Re: Linear thoughts (Wes Stewart) > 25. Re: Linear thoughts ([email protected]) > 26. Re: OT: RFI problem on 80,40 with AT&T Uverse (Mike Flowers) > 27. Re: Linear thoughts (Clay Autery) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 17 Mar 2017 18:01:36 -0000 > From: "Alan. G4GNX" <[email protected]> > To: "Gerald Manthey" <[email protected]>, "Eric Swartz - WA6HHQ, > Elecraft" <[email protected]> > Cc: <[email protected]> > Subject: Re: [Elecraft] Linear thoughts > Message-ID: <73DF0824F12343439B9563F6C1F324DC@G4GNXLaptop> > Content-Type: text/plain; format=flowed; charset="iso-8859-1"; > reply-type=original > > Also, same facilities as KPA500 and built in KAT1500 tuner. > > 73, > > Alan. G4GNX > > -----Original Message----- > From: Gerald Manthey > Sent: Friday, March 17, 2017 5:24 PM > To: Eric Swartz - WA6HHQ, Elecraft > Cc: [email protected] > Subject: Re: [Elecraft] Linear thoughts > > Super quiet fans! Full duty cycle. > > >> On Mar 17, 2017, at 12:06 PM, Eric Swartz - WA6HHQ, Elecraft >> <[email protected]> wrote: >> >> Interesting discussion. >> >> Folks, if we did introduce a 1500 W solid state amp similar to our KPA500 >> in operation, what features etc would be important? >> >> 73, >> Eric >> /elecraft.com/ > > > > ------------------------------ > > Message: 2 > Date: Fri, 17 Mar 2017 13:02:27 -0500 > From: Peter LaBissoniere <[email protected]> > To: "Eric Swartz - WA6HHQ, Elecraft" <[email protected]> > Cc: [email protected] > Subject: Re: [Elecraft] Linear thoughts > Message-ID: <[email protected]> > Content-Type: text/plain; charset=us-ascii > > KPA-500 trade-in program. > > Sent from my iPhone > >> On Mar 17, 2017, at 12:06 PM, Eric Swartz - WA6HHQ, Elecraft >> <[email protected]> wrote: >> >> Interesting discussion. >> >> Folks, if we did introduce a 1500 W solid state amp similar to our KPA500 in >> operation, what features etc would be important? >> >> 73, >> Eric >> /elecraft.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: 3 > Date: Fri, 17 Mar 2017 14:12:51 -0400 > From: Charlie Carroll <[email protected]> > To: Andrew Faber <[email protected]>, Andrew Faber via Elecraft > <[email protected]>, [email protected], "Eric Swartz - > WA6HHQ, Elecraft" <[email protected]> > Subject: Re: [Elecraft] Linear thoughts > Message-ID: <[email protected]> > Content-Type: text/plain; charset=UTF-8 > > Strongly concur! > > Think serious contesting and airline carry-on, weight, weight ..., continuous > contest operation, prefer solid basic operation over bells and whistles (or > make bells/whistles an option). > > 73 charlie k1xx/vp2mmf > >> On March 17, 2017 1:18:39 PM EDT, Andrew Faber via Elecraft >> <[email protected]> wrote: >> Eric, >> Hallelujah! First acknowledgment of such a possibility! I vote to put >> a >> second amp module in the RF Deck (i.e., an RF deck that is the same as >> the >> total size of the KPA500) and have a separate switching supply in >> another >> box. 1200-1300 watts would be a sweet spot if 1.5K is a problem. Shoot >> for >> 30 pounds or under. >> 73, andy ae6y (KPA500 ser. 77). >> >> -----Original Message----- >> From: Eric Swartz - WA6HHQ, Elecraft >> Sent: Friday, March 17, 2017 10:06 AM >> To: [email protected] >> Subject: Re: [Elecraft] Linear thoughts >> >> Interesting discussion. >> >> Folks, if we did introduce a 1500 W solid state amp similar to our >> KPA500 in >> operation, what features etc would be important? >> >> 73, >> Eric >> /elecraft.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] >> >> ______________________________________________________________ >> 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] > > -- > Sent from my Android device with K-9 Mail. Please excuse my brevity. > > ------------------------------ > > Message: 4 > Date: Fri, 17 Mar 2017 14:11:58 -0400 > From: [email protected] > To: [email protected] > Cc: [email protected] > Subject: Re: [Elecraft] Linear thoughts > Message-ID: <[email protected]> > Content-Type: text/plain; charset="US-ASCII" > > 1. Separate power supply or small control box (ala ACOM 2000A). Same > form factor as K line if separate power supply (small control box able to > control an integral or separate "KAT1500" as well). > 2. Solid state. > 3. Full integration with K line similar to KPA500 and easy integration > with other radios including KX3 & KX2. > 4. 160-6m. > 5. 1500 W. > 6. True SO2R capable with K line and other radios (SPE 1.3K is almost > there). > 7. Integral antenna tuner or "KAT1500". > 8. Easily user modified to get rid of antiquated 15db gain limit. > 9. Clean TX throughout entire power range on a par with K3s. > 10. Easily remotable. > 11. QSK with adjustable parameters. > > Mike KD8RQE > > > In a message dated 3/17/2017 1:12:20 P.M. Eastern Daylight Time, > [email protected] writes: > > Interesting discussion. > > Folks, if we did introduce a 1500 W solid state amp similar to our KPA500 > in > operation, what features etc would be important? > > 73, > Eric > /elecraft.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: 5 > Date: Fri, 17 Mar 2017 11:14:10 -0700 > From: Wes Stewart <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] Linear thoughts > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8; format=flowed > > Three times the power, one-third the cost? > > Somewhat more seriously: legal limit, internal tuner for up to at least 3:1 > SWR > (option?), optional separate power supply, quieter cooling. Bigger box to > match K4. > > Wes N7WS > >> On 3/17/2017 10:06 AM, Eric Swartz - WA6HHQ, Elecraft wrote: >> Interesting discussion. >> >> Folks, if we did introduce a 1500 W solid state amp similar to our KPA500 in >> operation, what features etc would be important? >> >> 73, >> Eric >> /elecraft.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: 6 > Date: Fri, 17 Mar 2017 11:21:21 -0700 > From: Wayne Burdick <[email protected]> > To: Wes Stewart <[email protected]> > Cc: [email protected] > Subject: Re: [Elecraft] Linear thoughts > Message-ID: <[email protected]> > Content-Type: text/plain; charset=us-ascii > > >> On Mar 17, 2017, at 11:14 AM, Wes Stewart <[email protected]> wrote: >> >> Three times the power, one-third the cost? >> >> Somewhat more seriously: legal limit, internal tuner for up to at least 3:1 >> SWR (option?), optional separate power supply, quieter cooling. Bigger box >> to match K4. > > The what? > > >> >> Wes N7WS >> >>> On 3/17/2017 10:06 AM, Eric Swartz - WA6HHQ, Elecraft wrote: >>> Interesting discussion. >>> >>> Folks, if we did introduce a 1500 W solid state amp similar to our KPA500 >>> in operation, what features etc would be important? >>> >>> 73, >>> Eric >>> /elecraft.com/ > > > > > > ------------------------------ > > Message: 7 > Date: Fri, 17 Mar 2017 11:27:44 -0700 > From: Bud Semon <[email protected]> > To: "Eric Swartz - WA6HHQ, Elecraft" <[email protected]>, > [email protected] > Subject: Re: [Elecraft] Linear thoughts > Message-ID: > <CACZ1TN1SApqeFP=byc+j8lyjanxvahsst7fbe_zqw_frbwq...@mail.gmail.com> > Content-Type: text/plain; charset=UTF-8 > > My thoughts in order of importance to me: > > 1) 1500 W continuous duty - 100% clean signal. > 2) 160 - 6 M > 3) QSK - no relays > 4) 1 package - no separate power supply > 5) Lightweight (this is relative of course) > 6) Remotely controllable > 7) Internal tuner not required > > 73, Bud N7CW > > On Fri, Mar 17, 2017 at 10:06 AM, Eric Swartz - WA6HHQ, Elecraft < > [email protected]> wrote: > >> Interesting discussion. >> >> Folks, if we did introduce a 1500 W solid state amp similar to our KPA500 >> in operation, what features etc would be important? >> >> 73, >> Eric >> /elecraft.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: 8 > Date: Fri, 17 Mar 2017 14:42:15 -0400 > From: Kevin - K4VD <[email protected]> > To: Wayne Burdick <[email protected]> > Cc: Wes Stewart <[email protected]>, Elecraft Reflector Reflector > <[email protected]> > Subject: Re: [Elecraft] Linear thoughts > Message-ID: > <CAFA9ujvVrLaCtE=cljcyflgsf1jiedkvvkbgntt18flbtrg...@mail.gmail.com> > Content-Type: text/plain; charset=UTF-8 > >> On Fri, Mar 17, 2017 at 2:21 PM, Wayne Burdick <[email protected]> wrote: >> >> ?T? >> he what? > > > ?He said K4. :) > > ? > > > ------------------------------ > > Message: 9 > Date: Fri, 17 Mar 2017 13:42:52 -0500 > From: Chuck Chandler <[email protected]> > To: [email protected] > Subject: [Elecraft] Linear thoughts > Message-ID: > <CAOoYq8__zda_MKYb=7gbnht0yakhjmg293fch3lj+nz-u-n...@mail.gmail.com> > Content-Type: text/plain; charset=UTF-8 > > Hhhhmmm... > > 1000W minimum. Excellent performance. Clean signal. Easy interconnection > with K3 (or K4.) Reasonable weight and form factor (power supply in second > box would be OK.) Auto-tuner rated for output and reasonable SWR. Antenna > selection for at least 4 antennas. Not as expensive as the competition > (or, at least within shouting distance.) > > 73 de Chuck, WS1L > > -- > > > =================== > Chuck Chandler > [email protected] > =================== > > > ------------------------------ > > Message: 10 > Date: Fri, 17 Mar 2017 14:46:37 -0400 > From: Guy Olinger K2AV <[email protected]> > To: Wayne Burdick <[email protected]> > Cc: Wes Stewart <[email protected]>, Elecraft Reflector > <[email protected]> > Subject: Re: [Elecraft] Linear thoughts > Message-ID: > <CANckpc1njB+Stu6wooSEHqtROrXfnUEwwKYUjamnOANmN=b...@mail.gmail.com> > Content-Type: text/plain; charset=UTF-8 > >> On Fri, Mar 17, 2017 at 2:21 PM, Wayne Burdick <[email protected]> wrote: >> The what? > > K4. > > Whatever the K3x finally evolves to, plus a front-end that does > brainwave interpretation by a combination brainwave detector, > microphone, headphone, computer display, eye reading device that looks > like an inverted colander. > > No keyboard, no key, no knobs, no buttons, just a monitor display to > show you what state everything is in. > > G. > > > ------------------------------ > > Message: 11 > Date: Fri, 17 Mar 2017 14:53:51 -0400 > From: "Tom" <[email protected]> > To: "Elecraft" <[email protected]> > Subject: [Elecraft] New release of Win4K3Suite > Message-ID: <6F30AD3551B149E98B94FB0A5AB9D68C@DESKTOPAV61F2H> > Content-Type: text/plain; charset="iso-8859-1" > > Hello, > There is a new release of Win4K3Suite. This release offers a bug fix that > showed up using DXLab Commander when you switched from a band that did not > use the sub-receiver to one that does. There was an excessive delay. In the > process, additional performance enhancements were made to the third party > virtual radios in Win4K3Suite. > One of the useful features of Win4K3Suite is that it interfaces to all 3rd > party logging and digital mode programs such as HRDLogbook, DX Keeper, NAP3, > N3FJP, N1MM+, FLDigi, MIXW as well as hardware devices such as the K3/0, the > Pig Knob and various antenna tuners. In order to understand how to do this, > there is now a video on youtube that gives clear instructions on using the > virtual port management facilities of Win4K3Suite: You can access it at > > https://www.youtube.com/watch?v=1jh6IS0S1dE&t=4s > > There is no need for LPBridge, and you can wish you can even continue to use > NAP3 if you prefer that interface. You can read a review about this here: > http://www.eham.net/reviews/detail/11214 > Please check out the 30 day trial at va2fsq.com and the videos on YouTube at > https://www.youtube.com/results?search_query=win4k3suite > 73 Tom > > --- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > > ------------------------------ > > Message: 12 > Date: Fri, 17 Mar 2017 20:00:06 +0100 (CET) > From: "[email protected]" <[email protected]> > To: <[email protected]>, <[email protected]> > Subject: [Elecraft] R: Re: Linear thoughts > Message-ID: <[email protected]> > Content-Type: text/plain; charset=UTF-8 > > Great qsk with pin diodes, no noise, fast atu, no switching power supply.If > possible not high price. > Nothing more... ;)Ian IK4EWX........ K3S and.... ex Henry 2KD and now owner > of a new ACOM 1000. > > > > > ----Messaggio originale---- > Da: [email protected] > Data: 17-mar-2017 18.06 > A: <[email protected]> > Ogg: Re: [Elecraft] Linear thoughts > > Interesting discussion. > > Folks, if we did introduce a 1500 W solid state amp similar to our KPA500 in > operation, what features etc would be important? > > 73, > Eric > /elecraft.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: 13 > Date: Fri, 17 Mar 2017 14:04:10 -0500 > From: buddy s <[email protected]> > To: [email protected] > Subject: [Elecraft] win4k3+hrd+dm780 > Message-ID: > <CAHaC9R8uYtA9bN0=bpqrppnzvdx1zvahwelguhcsm8oq1vp...@mail.gmail.com> > Content-Type: text/plain; charset=UTF-8 > > i have win4k3 on a win10 laptop. using com0com for port sharing. one usb > port to the k3, another usb port to the signalink. win4k3 is ok with hrd, > but dm780 is problematic. when i try to send cw, i get the red led on the > signalink, the red tx led on the k3, but no audio to the k3. > > any thoughts? > > thanks > > 73 de > W3BS, Buddy Spiegel > ? > ?? > > > ------------------------------ > > Message: 14 > Date: Fri, 17 Mar 2017 19:05:23 +0000 > From: Chris Tate - N6WM <[email protected]> > To: Wayne Burdick <[email protected]>, Wes Stewart > <[email protected]> > Cc: "[email protected]" <[email protected]> > Subject: Re: [Elecraft] Linear thoughts > Message-ID: > > <236350b81bc09d42b8c3b41a97c654dd12a53...@ausp01dag0504.collaborationhost.net> > > Content-Type: text/plain; charset="us-ascii" > > Some bullet points. take the best of what is emerging and improve it.. > > > -2 inputs and multiple antenna ports and enough isolation to support SO2R OOB > with 1 devices. (flex amp). less devices, shack simplification and value... > > -ability to control device over Ethernet via remote without connecting via a > serial interface, but keep the serial interface for legacy use (flex amp) the > future is on ethernet. > > -some kind of ability to manage mismatches, probably a tuner either outboard > like a kat500 or inboard would be > better. one that is more resilient than the expert would be a market > differentiator(expert amps but needs improvement) This would make it a > killer device. > > Thats what comes to mind short term. > > > > > > > > ________________________________________ > From: Elecraft [[email protected]] on behalf of Wayne Burdick > [[email protected]] > Sent: Friday, March 17, 2017 11:21 AM > To: Wes Stewart > Cc: [email protected] > Subject: Re: [Elecraft] Linear thoughts > >> On Mar 17, 2017, at 11:14 AM, Wes Stewart <[email protected]> wrote: >> >> Three times the power, one-third the cost? >> >> Somewhat more seriously: legal limit, internal tuner for up to at least 3:1 >> SWR (option?), optional separate power supply, quieter cooling. Bigger box >> to match K4. > > The what? > > >> >> Wes N7WS >> >>> On 3/17/2017 10:06 AM, Eric Swartz - WA6HHQ, Elecraft wrote: >>> Interesting discussion. >>> >>> Folks, if we did introduce a 1500 W solid state amp similar to our KPA500 >>> in operation, what features etc would be important? >>> >>> 73, >>> Eric >>> /elecraft.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: 15 > Date: Fri, 17 Mar 2017 12:06:04 -0700 > From: Wayne Burdick <[email protected]> > To: "[email protected]" <[email protected]> > Cc: "[email protected]" <[email protected]> > Subject: Re: [Elecraft] Preamp 2 and upcoming F/W > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8 > > Still working on that. > > Wayne > >> On Mar 17, 2017, at 1:17 AM, [email protected] wrote: >> >> >> >> >> >> -----Original-Nachricht----- >> Betreff: AW: [Elecraft] Preamp 2 and upcoming F/W >> Datum: 2017-03-17T09:10:34+0100 >> Von: "[email protected]" <[email protected]> >> An: "Wayne Burdick" <[email protected]> >> >> Will there be S-meter correction for Pre 2 in ABS mode? >> >> 73 >> >> Volker >> >> DL4ZBG >> >> >> >> -----Original-Nachricht----- >> Betreff: Re: [Elecraft] Preamp 2 and upcoming F/W >> Datum: 2017-03-17T02:45:45+0100 >> Von: "Wayne Burdick" <[email protected]> >> An: "Dauer, Edward" <[email protected]> >> >> Hi Ted, >> >> Preamp 2 is in fact the one on the KXV3B. So any K3 running the new firmware >> will allow preamp 2 use on 17 and 15 meters. The NF improvement is >> significant (3 and 6 dB, respectively). >> >> The firmware is being field tested now. >> >> 73, >> Wayne >> N6KR >> >> >>> On Mar 16, 2017, at 6:30 PM, "Dauer, Edward" <[email protected]> wrote: >>> >>> Wayne?s post ? which I accidentally erased ? noted that the LNA ?Preamp 2? >>> will soon be accessible for 15 and 17 meters through a F/W release. >>> >>> Just to be sure, does anyone know if that will that include the preamp in >>> the KXV3B? >>> >>> I have so far passed up ordering a KXV3B because the Manual says its preamp >>> can be used on 12-10-6, whereas my outboard PR6-10 adds a good deal of gain >>> on 15 as well. >>> >>> Ted, KN1CBR >>> >>> >>> >>> >> >> ______________________________________________________________ >> 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] >> ? >> ______________________________________________________________ >> 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, 17 Mar 2017 15:10:43 -0400 > From: Mitch Wolfson, DJ?QN / K7DX <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] Linear thoughts > Message-ID: <[email protected]> > Content-Type: text/plain; charset=windows-1252; format=flowed > > Hi Eric, > > Thanks for opening up this can of worms ;-) > > I haven't been following the discussion until now, but my suggestion > comes from another angle: make any new amplifier very remotable. > > This means the following: > - Have API's that support complete remote control, also available to > other software and hardware developers > - If possible, allow remote power on via a remote command and not by > providing a voltage to pins (like the old SPE 1K-FA did) > - Do not use (only) USB control, since this is no good for remoting > - Have a true serial port for serial port servers and other legacy devices > - A bonus would be an embedded serial port server, such as the Lantronix > XPort (OM Power offers this as an option) > https://www.lantronix.com/products/xport/ > - Another added bonus would be an embedded web server with a control > interface, such as that offered on the RemoteRig RC-1216H > http://www.remoterig.com/wp/?page_id=1010 > > Having helped to install dozens of amplifiers for remoting, I can say > that this feature set would put a new 1500w amplifier on the top of the > remote station heap if reasonably priced. > > 73, > Mitch DJ0QN / K7DX > > Mitch Wolfson DJ?QN / K7DX > 10285 Boca Cir, Naples, FL 34109 > Skype: mitchwo > USA: Home:+1-239-221-9600 - Mobile:+1-424-288-9171 > Germany: Home:+49 89 32152700 - Mobile:+49 172 8374436 > >> On 17.03.2017 13:06, Eric Swartz - WA6HHQ, Elecraft wrote: >> Interesting discussion. >> >> Folks, if we did introduce a 1500 W solid state amp similar to our >> KPA500 in operation, what features etc would be important? >> >> 73, >> Eric >> /elecraft.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: 17 > Date: Fri, 17 Mar 2017 19:37:41 +0000 (UTC) > From: John Saxon <[email protected]> > To: Elecraft Reflector <[email protected]> > Subject: [Elecraft] OT: RFI problem on 80,40 with AT&T Uverse > Message-ID: <[email protected]> > Content-Type: text/plain; charset=UTF-8 > > Off topic, but perhaps others have had the same problem. > I have a K3/100 + ATU (ser#3542), purchased as a kit in 2009. ?No problems > with RFI until April of 2016. ?All of a sudden RFI on 80,40(didn't try 160). > ?Been off these bands ever since, although all my buddies hang out on 40. > ?Have had AT&T out 4 times, no help. > OK...I just found an AT&T Uverse user forum that discuss this very thing, > same symptoms as mine, with a ham participating. ?If I am reading it > correctly, they are saying that the bands that Uverse uses for multiplexing > includes 160,80 & 40 frequencies. ?One of the contributors said that AT&T > eventually upgraded his equipment, including replacing some twisted-pair > cables with CAT5 cables, and it solved the problem. ?I am supposed to get a > call Monday from an AT&T guy who is familiar with this. ?But I would like > input from my Elecraft ham buddies. > Anyone out there experienced this before? ?I don't think it is just me. > ?Anyone out there had this problem with AT&T Uverse and gotten it fixed? > Reply off-line if you wish, but I believe there may be several on this > reflector who would find responses useful to them. > Thanks!JohnK5ENQ > > > ------------------------------ > > Message: 18 > Date: Fri, 17 Mar 2017 15:49:26 -0400 > From: Thomas Donohue <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] (Elecraft) Linear thoughts > Message-ID: <[email protected]> > Content-Type: text/plain; charset=us-ascii > > Hi to all: > > I had the strong suspicion based on what I heard an Elecraft rep say at last > years Dayton Hamvention that a 1500W linear was being worked on; so, I was > not surprised by Eric's request. My input is as follows: (1) 1500W+ output, > key down; (2) light weight (30 lbs or less); if the 30lbs is not doable in a > single unit, then the power supply could be put in a separate box; (3) > capability to support two transceivers, much like the current Yaesu Quadra; > and (4) full computer control of amp and transceiver(s) I'll leave the > detailed suggestions to those much more qualified than I to make. Finally, I > will purchase one at Dayton if it is available, sight unseen, based on the > Elecraft history of producing high quality products, and most importantly, > updating and supporting them throughout their life cycle. Thanks Elecraft for > all that you do. > > Best 73, > Tom/W1QU > > > Sent from my iPad > > ------------------------------ > > Message: 19 > Date: Fri, 17 Mar 2017 15:53:28 -0400 > From: Fred Moore <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] OT: RFI problem on 80,40 with AT&T Uverse > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8 > > keep everyone filled in on the progress.. Fred > > Fred Moore > email: [email protected] > [email protected] > Phone: (321) 217-8699 > >> On 3/17/17 3:37 PM, John Saxon via Elecraft wrote: >> Off topic, but perhaps others have had the same problem. >> I have a K3/100 + ATU (ser#3542), purchased as a kit in 2009. No problems >> with RFI until April of 2016. All of a sudden RFI on 80,40(didn't try 160). >> Been off these bands ever since, although all my buddies hang out on 40. >> Have had AT&T out 4 times, no help. >> OK...I just found an AT&T Uverse user forum that discuss this very thing, >> same symptoms as mine, with a ham participating. If I am reading it >> correctly, they are saying that the bands that Uverse uses for multiplexing >> includes 160,80 & 40 frequencies. One of the contributors said that AT&T >> eventually upgraded his equipment, including replacing some twisted-pair >> cables with CAT5 cables, and it solved the problem. I am supposed to get a >> call Monday from an AT&T guy who is familiar with this. But I would like >> input from my Elecraft ham buddies. >> Anyone out there experienced this before? I don't think it is just me. >> Anyone out there had this problem with AT&T Uverse and gotten it fixed? >> Reply off-line if you wish, but I believe there may be several on this >> reflector who would find responses useful to them. >> Thanks!JohnK5ENQ >> ______________________________________________________________ >> 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, 17 Mar 2017 15:54:26 -0400 > From: "Bert Garcia N8NN" <[email protected]> > To: "'Eric Swartz - WA6HHQ, Elecraft'" <[email protected]>, > <[email protected]> > Subject: Re: [Elecraft] Linear thoughts > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > My wish list for a 1500 watt Elecraft linear: > > Separate power supply so I can lift it one piece at a time. > Light weight power supply. > Wide-range automatic antenna tuner with memory. > Quite fans, low noise. > Solid-state QSK. > 160 - 6 meters. > Auto band change by RF sensing. > Auto band change from the transceiver. > Power limited on 30/60 meters. > 11 meters blocked. > Multiple antenna jacks with auto selection. > Built-in SWR and watt meters. > Antenna selection and SWR/watt meters work when amp is off. > Two radio inputs. > Elecraft styling. > Remote control capability via LAN. > 1500 watts no time limit. > Auto AC voltage selection on power supply. > > Bert N8NN > > > -----Original Message----- > From: Elecraft [mailto:[email protected]] On Behalf Of Eric > Swartz - WA6HHQ, Elecraft > Sent: Friday, March 17, 2017 1:07 PM > To: [email protected] > Subject: Re: [Elecraft] Linear thoughts > > Interesting discussion. > > Folks, if we did introduce a 1500 W solid state amp similar to our KPA500 in > operation, what features etc would be important? > > 73, > Eric > /elecraft.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: 21 > Date: Fri, 17 Mar 2017 20:07:49 +0000 > From: brian <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] Linear thoughts > Message-ID: <[email protected]> > Content-Type: text/plain; charset=windows-1252; format=flowed > > You forgot antenna tune should follow K3 frequency like KAT500 can so > that it can pre-tune. > 73 de Brian/K3KO > >> On 3/17/2017 19:54 PM, Bert Garcia N8NN wrote: >> My wish list for a 1500 watt Elecraft linear: >> >> Separate power supply so I can lift it one piece at a time. >> Light weight power supply. >> Wide-range automatic antenna tuner with memory. >> Quite fans, low noise. >> Solid-state QSK. >> 160 - 6 meters. >> Auto band change by RF sensing. >> Auto band change from the transceiver. >> Power limited on 30/60 meters. >> 11 meters blocked. >> Multiple antenna jacks with auto selection. >> Built-in SWR and watt meters. >> Antenna selection and SWR/watt meters work when amp is off. >> Two radio inputs. >> Elecraft styling. >> Remote control capability via LAN. >> 1500 watts no time limit. >> Auto AC voltage selection on power supply. >> >> Bert N8NN >> >> >> -----Original Message----- >> From: Elecraft [mailto:[email protected]] On Behalf Of Eric >> Swartz - WA6HHQ, Elecraft >> Sent: Friday, March 17, 2017 1:07 PM >> To: [email protected] >> Subject: Re: [Elecraft] Linear thoughts >> >> Interesting discussion. >> >> Folks, if we did introduce a 1500 W solid state amp similar to our KPA500 in >> operation, what features etc would be important? >> >> 73, >> Eric >> /elecraft.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] >> >> ______________________________________________________________ >> 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: 22 > Date: Fri, 17 Mar 2017 20:11:28 +0000 > From: brian <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] OT: RFI problem on 80,40 with AT&T Uverse > Message-ID: <[email protected]> > Content-Type: text/plain; charset=windows-1252; format=flowed > > These Uverse RFI problems that others reported made me choose COMCAST > when I moved. I guess you are pretty much locked in. > > I hate COMCAST but trying to solve these problems was considered more of > a hassle with the possibility of no solution. > > The other issue is some reported that the Uverse modems generated > significant RFI on receive. > > 73 de Brian/K3KO > > > >> On 3/17/2017 19:53 PM, Fred Moore wrote: >> keep everyone filled in on the progress.. Fred >> >> Fred Moore >> email: [email protected] >> [email protected] >> Phone: (321) 217-8699 >> >>> On 3/17/17 3:37 PM, John Saxon via Elecraft wrote: >>> Off topic, but perhaps others have had the same problem. >>> I have a K3/100 + ATU (ser#3542), purchased as a kit in 2009. No problems >>> with RFI until April of 2016. All of a sudden RFI on 80,40(didn't try >>> 160). Been off these bands ever since, although all my buddies hang out on >>> 40. Have had AT&T out 4 times, no help. >>> OK...I just found an AT&T Uverse user forum that discuss this very thing, >>> same symptoms as mine, with a ham participating. If I am reading it >>> correctly, they are saying that the bands that Uverse uses for multiplexing >>> includes 160,80 & 40 frequencies. One of the contributors said that AT&T >>> eventually upgraded his equipment, including replacing some twisted-pair >>> cables with CAT5 cables, and it solved the problem. I am supposed to get a >>> call Monday from an AT&T guy who is familiar with this. But I would like >>> input from my Elecraft ham buddies. >>> Anyone out there experienced this before? I don't think it is just me. >>> Anyone out there had this problem with AT&T Uverse and gotten it fixed? >>> Reply off-line if you wish, but I believe there may be several on this >>> reflector who would find responses useful to them. >>> Thanks!JohnK5ENQ >>> ______________________________________________________________ >>> 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] >> >> ______________________________________________________________ >> 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: 23 > Date: Fri, 17 Mar 2017 16:18:04 -0400 > From: John Fritze <[email protected]> > To: "[email protected]" <[email protected]> > Subject: Re: [Elecraft] Linear thoughts > Message-ID: > <cac2wzkab+h74mub8ug_t4kcezwzgnzd3hjyutp0zvrca7sm...@mail.gmail.com> > Content-Type: text/plain; charset=UTF-8 > > Dear Eric, > > IF Elecraft was to introduce a 1500W amp, I would love it to interface as > well as the KPA500 does now. If I could have anything additional, my first > choice would be to have a tuner inside the box, that can either be used or > bypassed as necessary. > > The ability to be run on either 110V or 220V US, ( and European voltages > ). Ideally a multi-tap transformer that would allow locations with voltage > sag to still operate the amp. For example on my boat I have a multitap > isolation transformer that allows voltages to be adjusted to 110V from 90V > and up to 250V simply by changing taps. > > -- > John Fritze Jr > K2QY > [email protected] > ACACES president 2014 > ARES ENY DEC Northern District > Hudson Div. Asst. Director > Twitter: @k2qy > 401 261 4996 (cell) > > > ------------------------------ > > Message: 24 > Date: Fri, 17 Mar 2017 13:21:28 -0700 > From: Wes Stewart <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] Linear thoughts > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8; format=flowed > > The imaginary transceiver to match the imaginary amplifier. > >> On 3/17/2017 11:21 AM, Wayne Burdick wrote: >>> On Mar 17, 2017, at 11:14 AM, Wes Stewart <[email protected]> wrote: >>> >>> Three times the power, one-third the cost? >>> >>> Somewhat more seriously: legal limit, internal tuner for up to at least 3:1 >>> SWR (option?), optional separate power supply, quieter cooling. Bigger box >>> to match K4. >> The what? >> > > > > ------------------------------ > > Message: 25 > Date: Fri, 17 Mar 2017 16:26:33 -0400 > From: [email protected] > To: [email protected], [email protected] > Subject: Re: [Elecraft] Linear thoughts > Message-ID: <[email protected]> > Content-Type: text/plain; charset="US-ASCII" > > > As long as we're hoping how about a swappable input board to allow it to > be driven to full output by a KX3 as soon as the rule changes. Ditto for the > KPA500......that's when I'll buy mine. > > Or at least allow an experimenter to easily modify his own without voiding > a warranty if the rule doesn't change............ > > Scott ka9p > > > > In a message dated 3/17/2017 3:01:02 P.M. Central Daylight Time, > [email protected] writes: > > My wish list for a 1500 watt Elecraft linear: > > Separate power supply so I can lift it one piece at a time. > Light weight power supply. > Wide-range automatic antenna tuner with memory. > Quite fans, low noise. > Solid-state QSK. > 160 - 6 meters. > Auto band change by RF sensing. > Auto band change from the transceiver. > Power limited on 30/60 meters. > 11 meters blocked. > Multiple antenna jacks with auto selection. > Built-in SWR and watt meters. > Antenna selection and SWR/watt meters work when amp is off. > Two radio inputs. > Elecraft styling. > Remote control capability via LAN. > 1500 watts no time limit. > Auto AC voltage selection on power supply. > > Bert N8NN > > > -----Original Message----- > From: Elecraft [mailto:[email protected]] On Behalf Of Eric > Swartz - WA6HHQ, Elecraft > Sent: Friday, March 17, 2017 1:07 PM > To: [email protected] > Subject: Re: [Elecraft] Linear thoughts > > Interesting discussion. > > Folks, if we did introduce a 1500 W solid state amp similar to our KPA500 > in > operation, what features etc would be important? > > 73, > Eric > /elecraft.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] > > ______________________________________________________________ > 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: 26 > Date: Fri, 17 Mar 2017 13:38:38 -0700 > From: "Mike Flowers" <[email protected]> > To: "'brian'" <[email protected]>, <[email protected]> > Subject: Re: [Elecraft] OT: RFI problem on 80,40 with AT&T Uverse > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > I had similar RFI issues with AT&T Uverse equipment, both on RX and TX. > > I went with Comcast and have no RFI issues with them. Nearly our entire > neighborhood is Comcast. AT&T tried to deliver Uverse here via 50-year old > twisted pairs and it was a mess. > > - 73 and good DX de Mike, K6MKF, IDXC 2017 Committee > >> -----Original Message----- >> From: Elecraft [mailto:[email protected]] On Behalf Of > brian >> Sent: Friday, March 17, 2017 1:11 PM >> To: [email protected] >> Subject: Re: [Elecraft] OT: RFI problem on 80,40 with AT&T Uverse >> >> These Uverse RFI problems that others reported made me choose COMCAST >> when I moved. I guess you are pretty much locked in. >> >> I hate COMCAST but trying to solve these problems was considered more of a >> hassle with the possibility of no solution. >> >> The other issue is some reported that the Uverse modems generated > significant >> RFI on receive. >> >> 73 de Brian/K3KO >> >> >> >>> On 3/17/2017 19:53 PM, Fred Moore wrote: >>> keep everyone filled in on the progress.. Fred >>> >>> Fred Moore >>> email: [email protected] >>> [email protected] >>> Phone: (321) 217-8699 >>> >>>> On 3/17/17 3:37 PM, John Saxon via Elecraft wrote: >>>> Off topic, but perhaps others have had the same problem. >>>> I have a K3/100 + ATU (ser#3542), purchased as a kit in 2009. No > problems >> with RFI until April of 2016. All of a sudden RFI on 80,40(didn't try > 160). Been >> off these bands ever since, although all my buddies hang out on 40. Have > had >> AT&T out 4 times, no help. >>>> OK...I just found an AT&T Uverse user forum that discuss this very > thing, >> same symptoms as mine, with a ham participating. If I am reading it > correctly, >> they are saying that the bands that Uverse uses for multiplexing includes > 160,80 >> & 40 frequencies. One of the contributors said that AT&T eventually > upgraded >> his equipment, including replacing some twisted-pair cables with CAT5 > cables, >> and it solved the problem. I am supposed to get a call Monday from an > AT&T >> guy who is familiar with this. But I would like input from my Elecraft > ham >> buddies. >>>> Anyone out there experienced this before? I don't think it is just me. > Anyone >> out there had this problem with AT&T Uverse and gotten it fixed? >>>> Reply off-line if you wish, but I believe there may be several on this > reflector >> who would find responses useful to them. >>>> Thanks!JohnK5ENQ >>>> >> _____________________________________________________________ >> _ >>>> 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] >>> >>> >> _____________________________________________________________ >> _ >>> 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] >>> >> _____________________________________________________________ >> _ >> 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: 27 > Date: Fri, 17 Mar 2017 15:51:51 -0500 > From: Clay Autery <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] Linear thoughts > Message-ID: <[email protected]> > Content-Type: text/plain; charset=windows-1252 > > I'm firmly in the component or modular engineering camp. All things > equal, less integration of function trumps integration if its a choice. > > The other guys have already hit on most of the big items... Here's what > is important to me. > > 1500+W (Prefer something built to 2-3K Watts capable and then throttled > back... no running on the bleeding edge. > Clean.... Like really clean... > Separate power supply.... OR AT MINIMUM, the option to choose to use an > external power supply so I can choose either the one Elecraft supplies > or provide my own.... heavy linear at home and the option for a lighter > travel supply. > (Ideally, a separate Elecraft PS that obeys the packaging rules... > Try to integrate the packaging to fit the K3s, et al footprint... > Height being the adjustable dimension to meet volume requirements. > Thermal design from the ground up not as an afterthought (patchwork and > band-aids not welcome). > > Seriously consider designing in an easily made mod that will allow other > drive profiles for when the current limit is eliminated. > > Don't want an internal tuner.... want a KAT1500 like external tuner... > > Long, long list of considered opinions on almost any conceivable > spec/feature and a logical argument for/against inclusion in the design.... > Simply ask the questions... > > 73, > > ______________________ > Clay Autery, KY5G > MONTAC Enterprises > (318) 518-1389 > >> On 3/17/2017 12:06 PM, Eric Swartz - WA6HHQ, Elecraft wrote: >> Interesting discussion. >> >> Folks, if we did introduce a 1500 W solid state amp similar to our >> KPA500 in operation, what features etc would be important? >> >> 73, >> Eric >> /elecraft.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 > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > http://mailman.qth.net/mailman/listinfo/elecraft > You must be a subscriber to post. > Elecraft web page: http://www.elecraft.com > > ------------------------------ > > End of Elecraft Digest, Vol 155, Issue 25 > ***************************************** ______________________________________________________________ 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]
