Re: [Elecraft] K4 Kit???
Not in my experience. Chokes are inductors and, together with stray capacitance, can create unwanted resonances and accompanying parasitics. Resistors just bleed the charge off an otherwise nearly infinite input impedance which is the whole idea in the first place. 73, Fred ["Skip"] K6DGW Sparks NV DM09dn Washoe County **"Nearly infinite" is not a really good term mathematically, but it's short and conveys the idea On 5/18/2020 4:39 PM, W2xj wrote: Better to use a choke Sent from my iPad On May 18, 2020, at 6:47 PM, Fred Jensen wrote: I believe Elecraft equipment has static drains built in but I always put a resistor in a PL-259 plugged into one arm of a coax tee with the antenna on the other arm, on the connector on the radio. It doesn't have to be precipitating to create "precipitation static" and it won't take long for those infinitesimal little charges to fill up the input capacitance on the first RF stage. 73, Fred ["Skip"] K6DGW Sparks NV DM09dn Washoe County On 5/18/2020 3:08 PM, Clay Autery wrote: LOL __ Clay Autery, KY5G (318) 518-1389 On 05/18/20 14:57, Victor Rosenthal 4X6GP wrote: Or you can do what I did with my K3: burn up a static drain resistor on your antenna entrance panel, decide that the smell is coming from the K4, take it completely to pieces to try to find the burned component, and then -- after discovering what actually happened -- put it all back together again. 73, Victor, 4X6GP Rehovot, Israel Formerly K2VCO CWops no. 5 http://www.qsl.net/k2vco/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to w...@w2xj.net __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 Kit???
What a clever way to install a static drain resistor! THANK YOU! 73, and thanks, Dave (NK7Z) https://www.nk7z.net ARRL Volunteer Examiner ARRL Technical Specialist ARRL Asst. Director, NW Division, Technical Resources On 5/18/20 3:46 PM, Fred Jensen wrote: I believe Elecraft equipment has static drains built in but I always put a resistor in a PL-259 plugged into one arm of a coax tee with the antenna on the other arm, on the connector on the radio. It doesn't have to be precipitating to create "precipitation static" and it won't take long for those infinitesimal little charges to fill up the input capacitance on the first RF stage. 73, Fred ["Skip"] K6DGW Sparks NV DM09dn Washoe County On 5/18/2020 3:08 PM, Clay Autery wrote: LOL __ Clay Autery, KY5G (318) 518-1389 On 05/18/20 14:57, Victor Rosenthal 4X6GP wrote: Or you can do what I did with my K3: burn up a static drain resistor on your antenna entrance panel, decide that the smell is coming from the K4, take it completely to pieces to try to find the burned component, and then -- after discovering what actually happened -- put it all back together again. 73, Victor, 4X6GP Rehovot, Israel Formerly K2VCO CWops no. 5 http://www.qsl.net/k2vco/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to d...@nk7z.net __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] More parts (was K4 Kit??)
"(More parts = more fun.)" You must miss the days when tag strip construction was the norm. I prefer the equipment to be smaller than the room it has to fit in. I also prefer to be able to lift it. My first commercial RX was an AR-88D and it almost failed both tests. Highly integrated circuits have done wonders for equipment capability, size, and weight. Can you imagine doing DSP with 1960's technology? A low power computer filled a large room in those days - lots of parts though. Andy, k3wyc __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 Kit???
We have both. Wayne > On May 18, 2020, at 4:39 PM, W2xj wrote: > > Better to use a choke > > Sent from my iPad > >> On May 18, 2020, at 6:47 PM, Fred Jensen wrote: >> >> I believe Elecraft equipment has static drains built in but I always put a >> resistor in a PL-259 plugged into one arm of a coax tee with the antenna on >> the other arm, on the connector on the radio. It doesn't have to be >> precipitating to create "precipitation static" and it won't take long for >> those infinitesimal little charges to fill up the input capacitance on the >> first RF stage. >> >> 73, >> Fred ["Skip"] K6DGW >> Sparks NV DM09dn >> Washoe County >> >>> On 5/18/2020 3:08 PM, Clay Autery wrote: >>> LOL >>> >>> __ >>> Clay Autery, KY5G >>> (318) 518-1389 >>> On 05/18/20 14:57, Victor Rosenthal 4X6GP wrote: Or you can do what I did with my K3: burn up a static drain resistor on your antenna entrance panel, decide that the smell is coming from the K4, take it completely to pieces to try to find the burned component, and then -- after discovering what actually happened -- put it all back together again. 73, Victor, 4X6GP Rehovot, Israel Formerly K2VCO CWops no. 5 http://www.qsl.net/k2vco/ >>> >> >> __ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:Elecraft@mailman.qth.net >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to w...@w2xj.net > > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to n...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 Kit???
> On May 18, 2020, at 2:17 PM, Drew AF2Z wrote: > > Can you give a rough estimate of how many parts there are in a K4 compared to > a K3? About the same? More? Less? (More parts = more fun.) Hi Drew, Rather than a parts count -- an esoteric parameter I get paid to worry about -- I'll give you a qualitative breakdown. Even a basic K4 is the equivalent of: K3S + P3 + KRX3 (for dual-watch purposes) + KXV3 + KDVR3 + Linux/Intel MPU + large touch screen + external monitor adapter (like P3 SVGA, but HDMI) + more controls, more antenna jacks, more digital I/O ports, and all the DSP/ADC/DAC/FPGA hardware needed to create a modern SDR. It also has a multi-processor architecture with unlimited potential for future expansion. Of course there are economies related to it being an SDR, such as no crystal filters in the basic unit. >From this you could take an educated guess. 73, Wayne N6KR > > 73, > Drew > AF2Z > > > On 05/18/20 11:12, Wayne Burdick wrote: >> We certainly appreciate the interest in a K4 kit. It does take longer to get >> the kit version out since many new drawings are required to accurately >> communicate details on modules, cables, and hardware to builders (as opposed >> to in-house assembly personnel). Can't really put a date on the kit version >> at this time, but it will be well after we begin shipping the K4 and K4D. >> There's an intermediate approach that many of our customers have used over >> the years: get an assembled basic radio, then install option modules >> yourself as required and as time/availability permits. Option modules will >> come with detailed assembly instructions. >> 73, >> Wayne >> N6KR >>> On May 17, 2020, at 2:14 PM, Charlie T wrote: >>> >>> Yep, just more fun to "build" one eh? >>> >>> Actually, I'm just plain "Cheap" and hoping to save a few bucks on a kit >>> version. >>> However, recent Elecraft kits are more like erector sets, but I DID build a >>> K2 complete with soldering stuff. >>> >>> 73, Charlie k3ICH >>> >>> >>> >>> >>> -Original Message- >>> From: elecraft-boun...@mailman.qth.net On >>> Behalf Of Steve KC6ZKT >>> Sent: Sunday, May 17, 2020 4:34 PM >>> To: elecraft@mailman.qth.net >>> Subject: Re: [Elecraft] K4 Kit??? >>> >>> On 5/15/20 8:08 PM, Bill Frantz wrote: And I'm still waiting for the kit version. >>> Same here. I'm happy to wait for the kit version. >>> >>> --... ...-- >>> SteveSgt, KC6ZKT, @CM97bj73 >>> >>> >>> __ >>> Elecraft mailing list >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>> Help: http://mailman.qth.net/mmfaq.htm >>> Post: mailto:Elecraft@mailman.qth.net >>> >>> This list hosted by: http://www.qsl.net >>> Please help support this email list: http://www.qsl.net/donate.html >>> Message delivered to n...@elecraft.com >> __ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:Elecraft@mailman.qth.net >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to pu...@af2z.net > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to n...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 Kit???
Better to use a choke Sent from my iPad > On May 18, 2020, at 6:47 PM, Fred Jensen wrote: > > I believe Elecraft equipment has static drains built in but I always put a > resistor in a PL-259 plugged into one arm of a coax tee with the antenna on > the other arm, on the connector on the radio. It doesn't have to be > precipitating to create "precipitation static" and it won't take long for > those infinitesimal little charges to fill up the input capacitance on the > first RF stage. > > 73, > Fred ["Skip"] K6DGW > Sparks NV DM09dn > Washoe County > >> On 5/18/2020 3:08 PM, Clay Autery wrote: >> LOL >> >> __ >> Clay Autery, KY5G >> (318) 518-1389 >> >>> On 05/18/20 14:57, Victor Rosenthal 4X6GP wrote: >>> Or you can do what I did with my K3: burn up a static drain resistor on >>> your antenna entrance panel, decide that the smell is coming from the >>> K4, take it completely to pieces to try to find the burned >>> component, and then -- after discovering what actually happened -- put >>> it all back together again. >>> >>> 73, >>> Victor, 4X6GP >>> Rehovot, Israel >>> Formerly K2VCO >>> CWops no. 5 >>> http://www.qsl.net/k2vco/ >> > > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to w...@w2xj.net __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 Kit???
All of our radios have bleeder resistors at the antenna jacks. 73, Wayne N6KR > On May 18, 2020, at 3:46 PM, Fred Jensen wrote: > > I believe Elecraft equipment has static drains built in but I always put a > resistor in a PL-259 plugged into one arm of a coax tee with the antenna on > the other arm, on the connector on the radio. It doesn't have to be > precipitating to create "precipitation static" and it won't take long for > those infinitesimal little charges to fill up the input capacitance on the > first RF stage. > > 73, > Fred ["Skip"] K6DGW > Sparks NV DM09dn > Washoe County __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 Kit???
ICE lightning arrestors include a static drain. I think the ones now made by Morgan Mfg. and Array Solutions do too, but haven't confirmed that. Jim N7US On Mon, May 18, 2020, 5:47 PM Fred Jensen wrote: > I believe Elecraft equipment has static drains built in but I always put > a resistor in a PL-259 plugged into one arm of a coax tee with the > antenna on the other arm, on the connector on the radio. It doesn't > have to be precipitating to create "precipitation static" and it won't > take long for those infinitesimal little charges to fill up the input > capacitance on the first RF stage. > > 73, > Fred ["Skip"] K6DGW > Sparks NV DM09dn > Washoe County > > On 5/18/2020 3:08 PM, Clay Autery wrote: > > LOL > > > > __ > > Clay Autery, KY5G > > (318) 518-1389 > > > > On 05/18/20 14:57, Victor Rosenthal 4X6GP wrote: > >> Or you can do what I did with my K3: burn up a static drain resistor on > >> your antenna entrance panel, decide that the smell is coming from the > >> K4, take it completely to pieces to try to find the burned > >> component, and then -- after discovering what actually happened -- put > >> it all back together again. > >> > >> 73, > >> Victor, 4X6GP > >> Rehovot, Israel > >> Formerly K2VCO > >> CWops no. 5 > >> http://www.qsl.net/k2vco/ > > __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 Kit???
I believe Elecraft equipment has static drains built in but I always put a resistor in a PL-259 plugged into one arm of a coax tee with the antenna on the other arm, on the connector on the radio. It doesn't have to be precipitating to create "precipitation static" and it won't take long for those infinitesimal little charges to fill up the input capacitance on the first RF stage. 73, Fred ["Skip"] K6DGW Sparks NV DM09dn Washoe County On 5/18/2020 3:08 PM, Clay Autery wrote: LOL __ Clay Autery, KY5G (318) 518-1389 On 05/18/20 14:57, Victor Rosenthal 4X6GP wrote: Or you can do what I did with my K3: burn up a static drain resistor on your antenna entrance panel, decide that the smell is coming from the K4, take it completely to pieces to try to find the burned component, and then -- after discovering what actually happened -- put it all back together again. 73, Victor, 4X6GP Rehovot, Israel Formerly K2VCO CWops no. 5 http://www.qsl.net/k2vco/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 Kit???
LOL __ Clay Autery, KY5G (318) 518-1389 On 05/18/20 14:57, Victor Rosenthal 4X6GP wrote: Or you can do what I did with my K3: burn up a static drain resistor on your antenna entrance panel, decide that the smell is coming from the K4, take it completely to pieces to try to find the burned component, and then -- after discovering what actually happened -- put it all back together again. 73, Victor, 4X6GP Rehovot, Israel Formerly K2VCO CWops no. 5 http://www.qsl.net/k2vco/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 Kit???
Wayne, Can you give a rough estimate of how many parts there are in a K4 compared to a K3? About the same? More? Less? (More parts = more fun.) 73, Drew AF2Z On 05/18/20 11:12, Wayne Burdick wrote: We certainly appreciate the interest in a K4 kit. It does take longer to get the kit version out since many new drawings are required to accurately communicate details on modules, cables, and hardware to builders (as opposed to in-house assembly personnel). Can't really put a date on the kit version at this time, but it will be well after we begin shipping the K4 and K4D. There's an intermediate approach that many of our customers have used over the years: get an assembled basic radio, then install option modules yourself as required and as time/availability permits. Option modules will come with detailed assembly instructions. 73, Wayne N6KR On May 17, 2020, at 2:14 PM, Charlie T wrote: Yep, just more fun to "build" one eh? Actually, I'm just plain "Cheap" and hoping to save a few bucks on a kit version. However, recent Elecraft kits are more like erector sets, but I DID build a K2 complete with soldering stuff. 73, Charlie k3ICH -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of Steve KC6ZKT Sent: Sunday, May 17, 2020 4:34 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] K4 Kit??? On 5/15/20 8:08 PM, Bill Frantz wrote: And I'm still waiting for the kit version. Same here. I'm happy to wait for the kit version. --... ...-- SteveSgt, KC6ZKT, @CM97bj73 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to n...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to pu...@af2z.net __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] New Astron Switching PS RFI?
On 5/18/2020 11:38 AM, Josh Fiden wrote: These SS-30M supplies have been around a long time. Do others report RFI problems? Josh, Bob, and all, I have no experience with Astron SMPS, and have seen nothing. I do, however, own several no-name switchers advertised as quiet that are quite noisy. My question was techie-rhetorical. We should not trust ANY reports that xxx product is RF quiet unless we know a LOT about proximity of noise source to antennas, the sum all of the other noise that could be obscuring it in the observer's receiver, and that info for ALL ham bands. A meaningful test would be waterfall plots from an SDR with a small loop antenna that can be placed in proximity to the potential noise source. This doesn't require lab-quality testing, simply a waterfall covering the frequency range of interest. Prior to the availability of inexpensive SDR RX, I've used (and still do for some applications) the broad coverage RX in my VHF/UHF talkie. 73, Jim K9YC __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 Kit???
Or you can do what I did with my K3: burn up a static drain resistor on your antenna entrance panel, decide that the smell is coming from the K4, take it completely to pieces to try to find the burned component, and then -- after discovering what actually happened -- put it all back together again. 73, Victor, 4X6GP Rehovot, Israel Formerly K2VCO CWops no. 5 http://www.qsl.net/k2vco/ . On 18/05/2020 19:12, Wayne Burdick wrote: We certainly appreciate the interest in a K4 kit. It does take longer to get the kit version out since many new drawings are required to accurately communicate details on modules, cables, and hardware to builders (as opposed to in-house assembly personnel). Can't really put a date on the kit version at this time, but it will be well after we begin shipping the K4 and K4D. There's an intermediate approach that many of our customers have used over the years: get an assembled basic radio, then install option modules yourself as required and as time/availability permits. Option modules will come with detailed assembly instructions. 73, Wayne N6KR On May 17, 2020, at 2:14 PM, Charlie T wrote: Yep, just more fun to "build" one eh? Actually, I'm just plain "Cheap" and hoping to save a few bucks on a kit version. However, recent Elecraft kits are more like erector sets, but I DID build a K2 complete with soldering stuff. 73, Charlie k3ICH -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of Steve KC6ZKT Sent: Sunday, May 17, 2020 4:34 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] K4 Kit??? On 5/15/20 8:08 PM, Bill Frantz wrote: And I'm still waiting for the kit version. Same here. I'm happy to wait for the kit version. --... ...-- SteveSgt, KC6ZKT, @CM97bj73 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] ISO Elecraft K2 QRP Or 100 watt.
I have K2/10 S/N 1, but I'm not sure I want to part with it. Wayne N6KR > On May 18, 2020, at 12:40 PM, George P Linehan III via Elecraft > wrote: > > Paul, WA6YCA > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to n...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] ISO Elecraft K2 QRP Or 100 watt.
Paul, WA6YCA __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] An Unusual KPA-500 Failure - That Wasn’t ...
Bob - I'm sure you researched them ... which one did you go with? 73 Lyn, W0LEN -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bob McGraw K4TAX Sent: Monday, May 18, 2020 12:22 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] An Unusual KPA-500 Failure - That Wasn’t ... I have installed a whole house surge protector on the main breaker panel. Thus everything in the house is protected equally. I don't use any surge protection devices at any other locations. My Justification: more connections, more items = more problems. 73 Bob, K4TAX On 5/18/2020 12:15 PM, Lyn Norstad wrote: > Bob - > > Having had to ship my 10 month old KPA500 back to Elecraft twice in its short > life, I was fearing the worst when I started reading your post. > > What a relief to hear the actual cause ... and I can well imagine it was > doubly so for you! > > 73 > Lyn, W0LEN > > > -Original Message- > From: elecraft-boun...@mailman.qth.net > [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bob Witmer > Sent: Sunday, May 17, 2020 11:31 PM > To: Elecraft@mailman.qth.net > Subject: [Elecraft] An Unusual KPA-500 Failure - That Wasn’t ... > > I thought the group might find a recent KPA-500 troubleshooting experience > interesting - and possibly be of help with future troubleshooting efforts. > > For reference, my station consists of a TS-890 followed by a KPA-500 and a > KAT-500, that interfaces different wire antennas depending on the operating > band. > > One Friday night after dinner, I headed to the ham shack to check out 160M. > Since it had been raining I needed to check the antenna SWR. After > completing a KAT-500 (KAT) tuning cycle at low power, I had a new tuning > solution and switched in the KPA-500 (KPA) for confirmation. I started at > low power and slowly increased the power level. At around 100 watts output > from the KPA I was rewarded with what I call the “Allen-Bradley” smell, a > slight cloud of smoke and a KPA low voltage alarm! I immediately cut power > and tried to reset the KPA alarm but couldn’t by cycling the power off/on. So > I unplugged the KPA from the AC power. After reconnecting the power and > turning the KPA on, the alarm was gone. I repeated the tuning process, with > almost the same results except the smell and smoke were more noticeable. At > this point I took the KPA completely off line, disconnecting all control and > RF connections, and raised the power out level of the TS-890 to 90 watts, > which then confirmed normal operation via the KAT. At this point I began to > think about returning the KPA for repair and wondered how long it would take > to get it back, considering COVID-19 issues. > > For some reason I decided to try the KPA500 - KAT500 pair one more time. > This time I moved closer to the KPA500 to try to get a clearer idea of where > the “smoke” was coming from. I slowly raised the power one more time and the > KPA shut down just like before, but this time I noticed the “smoke” was > coming from what looked like the rear of the amp. I moved the KPA and > noticed the smell was still very strong - and at the rear of the KPA. It was > then I noticed that the AC line surge suppressor the KPA was plugged into, in > a wall socket directly below the back of the operating table with the KPA, > was the source of both the smell and “smoke”. I bypassed the suppressor and > was relieved when the KPA returned to normal operation. > > Somehow, when the current draw through the suppressor reached a certain > level, failing internal suppressor component(s) overheated and presented a > line voltage drop to the KPA500 sufficient to trigger the internal low > operating voltage alarm. With the suppressor located directly behind and > below the KPA, it seemed like the smell and smoke were coming from the KPA - > and the KPA was failing since the KPA low voltage alarm activated. > > So of course, always check to make sure the equipment you’re troubleshooting > is actually “plugged-in” (following troubleshooting safety guidelines) - but > also check to make sure any in-line power surge suppressors are working > correctly. > > 73, > > Bob, W3RW > __ > > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to rmcg...@blomand.net __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please
Re: [Elecraft] New Astron Switching PS RFI?
Has anyone encountered noise on 50 MHz with the Elecraft/Powerwerx power supply for the K3S? Thanks & 73, John WA1EAZ > On May 18, 2020, at 2:51 PM, K9FD wrote: > > I had two of them and both had RFI, on 12 meter band, it was a broadband > noise of > S2 or so. If your noise level is higher than S3 then you may not even > notice it as it > was noise similar to the noise floor, as wide as the band. > Had other "spots" on other bands that had hash but not too bad. > Have tried many switchers and every one I have had put noise someplace, if > you mention > that on this reflector all you get is a tirade of people with S5 to S6 band > noise levels > screaming they hear nothing, they are correct they hear nothing. > Elecraft even admits the switcher they sell has noise. > I have a very very low external noise level at this QTH, so linear supplies > are the only way > I am sure to be free of noise, birdies, and crap internally. YMMV > Merv K9FD >> EME on 6m, terrestrial on 2 & 432 with antennas directly above the shack. >> Noise floor very low (usually) so anything added very apparent. I haven’t >> noticed anything at HF. >> >> The only problems I’ve had at HF were a particular model of Samsung monitor, >> and PGE powerlines where HV ran on the old ceramic insulators. K6TU’s >> recommendation to file complaints with PUC was effective in getting those >> replaced. >> >> These SS-30M supplies have been around a long time. Do others report RFI >> problems? >> >> 73 >> Josh W6XU >> >> Sent from my mobile device >> >>> On May 18, 2020, at 10:30 AM, Jim Brown wrote: >>> >>> Sounds like it's quiet on the bands where you do EME. What bands are >>> those? Anything on HF? >>> >>> 73, Jim K9YC >>> On 5/17/2020 9:47 PM, Josh Fiden wrote: Only when the moon’s at the same heading! Shack is E of array which is on about 25’ of Rohn 45, so bottom antennas are quite low. House is SE and I have to turn off fluorescent lights and washing machine. >>> __ >>> Elecraft mailing list >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>> Help: http://mailman.qth.net/mmfaq.htm >>> Post: mailto:Elecraft@mailman.qth.net >>> >>> This list hosted by: http://www.qsl.net >>> Please help support this email list: http://www.qsl.net/donate.html >>> Message delivered to j...@voodoolab.com >> __ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:Elecraft@mailman.qth.net >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to merv.k...@gmail.com > > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to jstengrev...@comcast.net __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] New Astron Switching PS RFI?
I had two of them and both had RFI, on 12 meter band, it was a broadband noise of S2 or so. If your noise level is higher than S3 then you may not even notice it as it was noise similar to the noise floor, as wide as the band. Had other "spots" on other bands that had hash but not too bad. Have tried many switchers and every one I have had put noise someplace, if you mention that on this reflector all you get is a tirade of people with S5 to S6 band noise levels screaming they hear nothing, they are correct they hear nothing. Elecraft even admits the switcher they sell has noise. I have a very very low external noise level at this QTH, so linear supplies are the only way I am sure to be free of noise, birdies, and crap internally. YMMV Merv K9FD EME on 6m, terrestrial on 2 & 432 with antennas directly above the shack. Noise floor very low (usually) so anything added very apparent. I haven’t noticed anything at HF. The only problems I’ve had at HF were a particular model of Samsung monitor, and PGE powerlines where HV ran on the old ceramic insulators. K6TU’s recommendation to file complaints with PUC was effective in getting those replaced. These SS-30M supplies have been around a long time. Do others report RFI problems? 73 Josh W6XU Sent from my mobile device On May 18, 2020, at 10:30 AM, Jim Brown wrote: Sounds like it's quiet on the bands where you do EME. What bands are those? Anything on HF? 73, Jim K9YC On 5/17/2020 9:47 PM, Josh Fiden wrote: Only when the moon’s at the same heading! Shack is E of array which is on about 25’ of Rohn 45, so bottom antennas are quite low. House is SE and I have to turn off fluorescent lights and washing machine. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to j...@voodoolab.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to merv.k...@gmail.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] New Astron Switching PS RFI?
EME on 6m, terrestrial on 2 & 432 with antennas directly above the shack. Noise floor very low (usually) so anything added very apparent. I haven’t noticed anything at HF. The only problems I’ve had at HF were a particular model of Samsung monitor, and PGE powerlines where HV ran on the old ceramic insulators. K6TU’s recommendation to file complaints with PUC was effective in getting those replaced. These SS-30M supplies have been around a long time. Do others report RFI problems? 73 Josh W6XU Sent from my mobile device > On May 18, 2020, at 10:30 AM, Jim Brown wrote: > > Sounds like it's quiet on the bands where you do EME. What bands are those? > Anything on HF? > > 73, Jim K9YC > >> On 5/17/2020 9:47 PM, Josh Fiden wrote: >> Only when the moon’s at the same heading! >> Shack is E of array which is on about 25’ of Rohn 45, so bottom antennas are >> quite low. >> House is SE and I have to turn off fluorescent lights and washing machine. > > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to j...@voodoolab.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 Kit???
> On May 18, 2020, at 10:51 AM, Buck wrote: > > Will the option modules be available to be shipped at the same time as a > factory built K4? Some will be, including the KAT4, KPA4, and KRX4 (the latter is what turns a K4 into a K4D). But customer-installation docs take some extra time. Our documenters are busy as beavers working on the owner's manual. (I don't mean chewing it, though a printed copy would be a good source of fiber.) Wayne N6KR > > Buck, k4ia > Honor Roll > 8BDXCC > EasyWayHamBooks.com > > On 5/18/2020 12:12 PM, Wayne Burdick wrote: >> We certainly appreciate the interest in a K4 kit. It does take longer to get >> the kit version out since many new drawings are required to accurately >> communicate details on modules, cables, and hardware to builders (as opposed >> to in-house assembly personnel). Can't really put a date on the kit version >> at this time, but it will be well after we begin shipping the K4 and K4D. >> There's an intermediate approach that many of our customers have used over >> the years: get an assembled basic radio, then install option modules >> yourself as required and as time/availability permits. Option modules will >> come with detailed assembly instructions. >> 73, >> Wayne >> N6KR >>> On May 17, 2020, at 2:14 PM, Charlie T wrote: >>> >>> Yep, just more fun to "build" one eh? >>> >>> Actually, I'm just plain "Cheap" and hoping to save a few bucks on a kit >>> version. >>> However, recent Elecraft kits are more like erector sets, but I DID build a >>> K2 complete with soldering stuff. >>> >>> 73, Charlie k3ICH >>> >>> >>> >>> >>> -Original Message- >>> From: elecraft-boun...@mailman.qth.net On >>> Behalf Of Steve KC6ZKT >>> Sent: Sunday, May 17, 2020 4:34 PM >>> To: elecraft@mailman.qth.net >>> Subject: Re: [Elecraft] K4 Kit??? >>> >>> On 5/15/20 8:08 PM, Bill Frantz wrote: And I'm still waiting for the kit version. >>> Same here. I'm happy to wait for the kit version. >>> >>> --... ...-- >>> SteveSgt, KC6ZKT, @CM97bj73 >>> >>> >>> __ >>> Elecraft mailing list >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>> Help: http://mailman.qth.net/mmfaq.htm >>> Post: mailto:Elecraft@mailman.qth.net >>> >>> This list hosted by: http://www.qsl.net >>> Please help support this email list: http://www.qsl.net/donate.html >>> Message delivered to n...@elecraft.com >> __ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:Elecraft@mailman.qth.net >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to radiok...@gmail.com > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to n...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 Kit???
Will the option modules be available to be shipped at the same time as a factory built K4? Buck, k4ia Honor Roll 8BDXCC EasyWayHamBooks.com On 5/18/2020 12:12 PM, Wayne Burdick wrote: We certainly appreciate the interest in a K4 kit. It does take longer to get the kit version out since many new drawings are required to accurately communicate details on modules, cables, and hardware to builders (as opposed to in-house assembly personnel). Can't really put a date on the kit version at this time, but it will be well after we begin shipping the K4 and K4D. There's an intermediate approach that many of our customers have used over the years: get an assembled basic radio, then install option modules yourself as required and as time/availability permits. Option modules will come with detailed assembly instructions. 73, Wayne N6KR On May 17, 2020, at 2:14 PM, Charlie T wrote: Yep, just more fun to "build" one eh? Actually, I'm just plain "Cheap" and hoping to save a few bucks on a kit version. However, recent Elecraft kits are more like erector sets, but I DID build a K2 complete with soldering stuff. 73, Charlie k3ICH -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of Steve KC6ZKT Sent: Sunday, May 17, 2020 4:34 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] K4 Kit??? On 5/15/20 8:08 PM, Bill Frantz wrote: And I'm still waiting for the kit version. Same here. I'm happy to wait for the kit version. --... ...-- SteveSgt, KC6ZKT, @CM97bj73 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to n...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to radiok...@gmail.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] New Astron Switching PS RFI?
Sounds like it's quiet on the bands where you do EME. What bands are those? Anything on HF? 73, Jim K9YC On 5/17/2020 9:47 PM, Josh Fiden wrote: Only when the moon’s at the same heading! Shack is E of array which is on about 25’ of Rohn 45, so bottom antennas are quite low. House is SE and I have to turn off fluorescent lights and washing machine. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] An Unusual KPA-500 Failure - That Wasn’t ...
I have installed a whole house surge protector on the main breaker panel. Thus everything in the house is protected equally. I don't use any surge protection devices at any other locations. My Justification: more connections, more items = more problems. 73 Bob, K4TAX On 5/18/2020 12:15 PM, Lyn Norstad wrote: Bob - Having had to ship my 10 month old KPA500 back to Elecraft twice in its short life, I was fearing the worst when I started reading your post. What a relief to hear the actual cause ... and I can well imagine it was doubly so for you! 73 Lyn, W0LEN -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bob Witmer Sent: Sunday, May 17, 2020 11:31 PM To: Elecraft@mailman.qth.net Subject: [Elecraft] An Unusual KPA-500 Failure - That Wasn’t ... I thought the group might find a recent KPA-500 troubleshooting experience interesting - and possibly be of help with future troubleshooting efforts. For reference, my station consists of a TS-890 followed by a KPA-500 and a KAT-500, that interfaces different wire antennas depending on the operating band. One Friday night after dinner, I headed to the ham shack to check out 160M. Since it had been raining I needed to check the antenna SWR. After completing a KAT-500 (KAT) tuning cycle at low power, I had a new tuning solution and switched in the KPA-500 (KPA) for confirmation. I started at low power and slowly increased the power level. At around 100 watts output from the KPA I was rewarded with what I call the “Allen-Bradley” smell, a slight cloud of smoke and a KPA low voltage alarm! I immediately cut power and tried to reset the KPA alarm but couldn’t by cycling the power off/on. So I unplugged the KPA from the AC power. After reconnecting the power and turning the KPA on, the alarm was gone. I repeated the tuning process, with almost the same results except the smell and smoke were more noticeable. At this point I took the KPA completely off line, disconnecting all control and RF connections, and raised the power out level of the TS-890 to 90 watts, which then confirmed normal operation via the KAT. At this point I began to think about returning the KPA for repair and wondered how long it would take to get it back, considering COVID-19 issues. For some reason I decided to try the KPA500 - KAT500 pair one more time. This time I moved closer to the KPA500 to try to get a clearer idea of where the “smoke” was coming from. I slowly raised the power one more time and the KPA shut down just like before, but this time I noticed the “smoke” was coming from what looked like the rear of the amp. I moved the KPA and noticed the smell was still very strong - and at the rear of the KPA. It was then I noticed that the AC line surge suppressor the KPA was plugged into, in a wall socket directly below the back of the operating table with the KPA, was the source of both the smell and “smoke”. I bypassed the suppressor and was relieved when the KPA returned to normal operation. Somehow, when the current draw through the suppressor reached a certain level, failing internal suppressor component(s) overheated and presented a line voltage drop to the KPA500 sufficient to trigger the internal low operating voltage alarm. With the suppressor located directly behind and below the KPA, it seemed like the smell and smoke were coming from the KPA - and the KPA was failing since the KPA low voltage alarm activated. So of course, always check to make sure the equipment you’re troubleshooting is actually “plugged-in” (following troubleshooting safety guidelines) - but also check to make sure any in-line power surge suppressors are working correctly. 73, Bob, W3RW __ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to rmcg...@blomand.net __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] An Unusual KPA-500 Failure - That Wasn’t ...
Bob - Having had to ship my 10 month old KPA500 back to Elecraft twice in its short life, I was fearing the worst when I started reading your post. What a relief to hear the actual cause ... and I can well imagine it was doubly so for you! 73 Lyn, W0LEN -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bob Witmer Sent: Sunday, May 17, 2020 11:31 PM To: Elecraft@mailman.qth.net Subject: [Elecraft] An Unusual KPA-500 Failure - That Wasn’t ... I thought the group might find a recent KPA-500 troubleshooting experience interesting - and possibly be of help with future troubleshooting efforts. For reference, my station consists of a TS-890 followed by a KPA-500 and a KAT-500, that interfaces different wire antennas depending on the operating band. One Friday night after dinner, I headed to the ham shack to check out 160M. Since it had been raining I needed to check the antenna SWR. After completing a KAT-500 (KAT) tuning cycle at low power, I had a new tuning solution and switched in the KPA-500 (KPA) for confirmation. I started at low power and slowly increased the power level. At around 100 watts output from the KPA I was rewarded with what I call the “Allen-Bradley” smell, a slight cloud of smoke and a KPA low voltage alarm! I immediately cut power and tried to reset the KPA alarm but couldn’t by cycling the power off/on. So I unplugged the KPA from the AC power. After reconnecting the power and turning the KPA on, the alarm was gone. I repeated the tuning process, with almost the same results except the smell and smoke were more noticeable. At this point I took the KPA completely off line, disconnecting all control and RF connections, and raised the power out level of the TS-890 to 90 watts, which then confirmed normal operation via the KAT. At this point I began to think about returning the KPA for repair and wondered how long it would take to get it back, considering COVID-19 issues. For some reason I decided to try the KPA500 - KAT500 pair one more time. This time I moved closer to the KPA500 to try to get a clearer idea of where the “smoke” was coming from. I slowly raised the power one more time and the KPA shut down just like before, but this time I noticed the “smoke” was coming from what looked like the rear of the amp. I moved the KPA and noticed the smell was still very strong - and at the rear of the KPA. It was then I noticed that the AC line surge suppressor the KPA was plugged into, in a wall socket directly below the back of the operating table with the KPA, was the source of both the smell and “smoke”. I bypassed the suppressor and was relieved when the KPA returned to normal operation. Somehow, when the current draw through the suppressor reached a certain level, failing internal suppressor component(s) overheated and presented a line voltage drop to the KPA500 sufficient to trigger the internal low operating voltage alarm. With the suppressor located directly behind and below the KPA, it seemed like the smell and smoke were coming from the KPA - and the KPA was failing since the KPA low voltage alarm activated. So of course, always check to make sure the equipment you’re troubleshooting is actually “plugged-in” (following troubleshooting safety guidelines) - but also check to make sure any in-line power surge suppressors are working correctly. 73, Bob, W3RW __ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] PX3-KX3 display question
My KX3-PX3_KXPA100 system works perfectly, however I cannot understand the PX3 display. On either USB or LSB there is a significant, narrow signal spike which tracks the KX3 frequency. On either USB or LSB it is at the edge of the cursor where the carrier (suppressed) would be. There is no tone as I tune across it and it does not interfere with operation. The waterfall does show a narrow trail. If I change the XFIL from FL1 to FL2 then the spike moves to the center of the new, narrower passband. On CW it is in the middle of the passband. Is this spike normal or am I setting something incorrectly? I can send photos, if needed. Thanks, Dan K9GDQ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 Kit???
We certainly appreciate the interest in a K4 kit. It does take longer to get the kit version out since many new drawings are required to accurately communicate details on modules, cables, and hardware to builders (as opposed to in-house assembly personnel). Can't really put a date on the kit version at this time, but it will be well after we begin shipping the K4 and K4D. There's an intermediate approach that many of our customers have used over the years: get an assembled basic radio, then install option modules yourself as required and as time/availability permits. Option modules will come with detailed assembly instructions. 73, Wayne N6KR > On May 17, 2020, at 2:14 PM, Charlie T wrote: > > Yep, just more fun to "build" one eh? > > Actually, I'm just plain "Cheap" and hoping to save a few bucks on a kit > version. > However, recent Elecraft kits are more like erector sets, but I DID build a > K2 complete with soldering stuff. > > 73, Charlie k3ICH > > > > > -Original Message- > From: elecraft-boun...@mailman.qth.net On > Behalf Of Steve KC6ZKT > Sent: Sunday, May 17, 2020 4:34 PM > To: elecraft@mailman.qth.net > Subject: Re: [Elecraft] K4 Kit??? > > On 5/15/20 8:08 PM, Bill Frantz wrote: >> And I'm still waiting for the kit version. > Same here. I'm happy to wait for the kit version. > > --... ...-- > SteveSgt, KC6ZKT, @CM97bj73 > > > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to n...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] An Unusual KPA-500 Failure - That Wasn’t ...
I thought the group might find a recent KPA-500 troubleshooting experience interesting - and possibly be of help with future troubleshooting efforts. For reference, my station consists of a TS-890 followed by a KPA-500 and a KAT-500, that interfaces different wire antennas depending on the operating band. One Friday night after dinner, I headed to the ham shack to check out 160M. Since it had been raining I needed to check the antenna SWR. After completing a KAT-500 (KAT) tuning cycle at low power, I had a new tuning solution and switched in the KPA-500 (KPA) for confirmation. I started at low power and slowly increased the power level. At around 100 watts output from the KPA I was rewarded with what I call the “Allen-Bradley” smell, a slight cloud of smoke and a KPA low voltage alarm! I immediately cut power and tried to reset the KPA alarm but couldn’t by cycling the power off/on. So I unplugged the KPA from the AC power. After reconnecting the power and turning the KPA on, the alarm was gone. I repeated the tuning process, with almost the same results except the smell and smoke were more noticeable. At this point I took the KPA completely off line, disconnecting all control and RF connections, and raised the power out level of the TS-890 to 90 watts, which then confirmed normal operation via the KAT. At this point I began to think about returning the KPA for repair and wondered how long it would take to get it back, considering COVID-19 issues. For some reason I decided to try the KPA500 - KAT500 pair one more time. This time I moved closer to the KPA500 to try to get a clearer idea of where the “smoke” was coming from. I slowly raised the power one more time and the KPA shut down just like before, but this time I noticed the “smoke” was coming from what looked like the rear of the amp. I moved the KPA and noticed the smell was still very strong - and at the rear of the KPA. It was then I noticed that the AC line surge suppressor the KPA was plugged into, in a wall socket directly below the back of the operating table with the KPA, was the source of both the smell and “smoke”. I bypassed the suppressor and was relieved when the KPA returned to normal operation. Somehow, when the current draw through the suppressor reached a certain level, failing internal suppressor component(s) overheated and presented a line voltage drop to the KPA500 sufficient to trigger the internal low operating voltage alarm. With the suppressor located directly behind and below the KPA, it seemed like the smell and smoke were coming from the KPA - and the KPA was failing since the KPA low voltage alarm activated. So of course, always check to make sure the equipment you’re troubleshooting is actually “plugged-in” (following troubleshooting safety guidelines) - but also check to make sure any in-line power surge suppressors are working correctly. 73, Bob, W3RW __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 Kit???
Yep, just more fun to "build" one eh? Actually, I'm just plain "Cheap" and hoping to save a few bucks on a kit version. However, recent Elecraft kits are more like erector sets, but I DID build a K2 complete with soldering stuff. 73, Charlie k3ICH -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of Steve KC6ZKT Sent: Sunday, May 17, 2020 4:34 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] K4 Kit??? On 5/15/20 8:08 PM, Bill Frantz wrote: > And I'm still waiting for the kit version. Same here. I'm happy to wait for the kit version. --... ...-- SteveSgt, KC6ZKT, @CM97bj73 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] [K3/K3s] RF Gain Control
Thanks gents! 73, and thanks, Dave (NK7Z) https://www.nk7z.net ARRL Volunteer Examiner ARRL Technical Specialist ARRL Asst. Director, NW Division, Technical Resources On 5/18/20 7:04 AM, Wayne Burdick wrote: There's also a shortcut. If you hold the ATT switch in for about 3 seconds, it takes you directly to attenuator value selection. Note that the selected value is stored on a per-band basis, as with preamp setting. Wayne N6KR On May 18, 2020, at 6:08 AM, Mark Musick wrote: The K3S has 5, 10 and 15 dB of ATT. You have to select MENU (NOT CONFIG MENU), rotate VFO B to ATTN then rotate VFO A to select 5, 10 or 15. When you select the ATT button you will have the amount of ATT set in MENU. The triple level of ATT only applies to the main receiver. The sub-receiver still only has the one level of ATT of 10 dB. You are correct that the K3 has only one level of ATT. 10 dB in both the main and sub-receivers. 73, Mark, WB9CIF -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of Dave Cole Sent: Monday, May 18, 2020 04:08 To: Nr4c ; Bill Frantz Cc: elecraft@mailman.qth.net Subject: Re: [Elecraft] [K3/K3s] RF Gain Control Thanks! 73, and thanks, Dave (NK7Z) https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.nk7z.net%2Fdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C637253717830517321sdata=dGIEepXHjlk17%2BbrQo12BJP0D4g8FDyZVrI29hc4jgI%3Dreserved=0 ARRL Volunteer Examiner ARRL Technical Specialist ARRL Asst. Director, NW Division, Technical Resources On 5/17/20 8:50 PM, Nr4c wrote: I think the upgrade for K3 and the K3S provides still one level ATT but two levels of PREAMP on 12, 10 and 6 meters. Sent from my iPhone ...nr4c. bill On May 17, 2020, at 11:44 PM, Bill Frantz wrote: I think on the K3 you only have one level of ATT, unless you have upgraded the right piece. 73 Bill AE6JV On 5/17/20 at 10:16 PM, d...@nk7z.net (Dave Cole) wrote: I looked at my K3, (not S), and I have a single step of ATT 10 DB, should I have more, or is it just the K3S that has multi steps. - Bill Frantz| Government is not reason, it is not eloquence, it is force; like 408-348-7900 | a fire, a troublesome servant and a fearful master. Never for a https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww. pwpconsult.com%2Fdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14 ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C637253717830517321 mp;sdata=ffqq8g1gQGQJBLuxAEO6aC8Ge%2BGFBgdlxaaKU3n7idQ%3Dreserve d=0 | moment should it be left to irresponsible action. Geo Washington __ Elecraft mailing list Home: https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmail man.qth.net%2Fmailman%2Flistinfo%2Felecraftdata=02%7C01%7C%7Ce91 b1c000fd3451e2d2208d7fae14ac0%7C84df9e7fe9f640afb435%7C1% 7C0%7C637253717830517321sdata=6WC3biCQUGk9ZNFjSB0Pp5sC7twlBVS0tA 7kKQWLKCU%3Dreserved=0 Help: https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmail man.qth.net%2Fmmfaq.htmdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d 7fae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C63725371783051 7321sdata=%2F9EIPOuGigkN1n%2FstLPOauAOFkVG3W5Bkl69UVFQntM%3D ;reserved=0 Post: mailto:Elecraft@mailman.qth.net This list hosted by: https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww. qsl.net%2Fdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14ac0%7C8 4df9e7fe9f640afb435%7C1%7C0%7C637253717830517321sdat a=96Cf%2FCtxiclxHiKDnVj4GfFrDu6FlPPNj5S8v77XXKY%3Dreserved=0 Please help support this email list: https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww. qsl.net%2Fdonate.htmldata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7f ae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C6372537178305273 17sdata=oMiaQnKN2X3X6nyTsh1BvldCXQbCcVRc9w8%2FC78V4xk%3Dres erved=0 Message delivered to n...@widomaker.com __ Elecraft mailing list Home: https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmailman.qth.net%2Fmailman%2Flistinfo%2Felecraftdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C637253717830527317sdata=%2BlzdksAX5CsvBKLDZYv2R5foTp9I7yYll3CQXZkntHE%3Dreserved=0 Help: https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmailman.qth.net%2Fmmfaq.htmdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C637253717830527317sdata=ka2270yhY4XUZ%2FIfOeNXaK46HiEE1qsEX2n%2Fuv25ywo%3Dreserved=0 Post: mailto:Elecraft@mailman.qth.net This list hosted by:
Re: [Elecraft] [K3/K3s] RF Gain Control
There's also a shortcut. If you hold the ATT switch in for about 3 seconds, it takes you directly to attenuator value selection. Note that the selected value is stored on a per-band basis, as with preamp setting. Wayne N6KR > On May 18, 2020, at 6:08 AM, Mark Musick wrote: > > The K3S has 5, 10 and 15 dB of ATT. You have to select MENU (NOT CONFIG > MENU), rotate VFO B to ATTN then rotate VFO A to select 5, 10 or 15. When you > select the ATT button you will have the amount of ATT set in MENU. > The triple level of ATT only applies to the main receiver. The sub-receiver > still only has the one level of ATT of 10 dB. > You are correct that the K3 has only one level of ATT. 10 dB in both the main > and sub-receivers. > > 73, > Mark, WB9CIF > > -Original Message- > From: elecraft-boun...@mailman.qth.net On > Behalf Of Dave Cole > Sent: Monday, May 18, 2020 04:08 > To: Nr4c ; Bill Frantz > Cc: elecraft@mailman.qth.net > Subject: Re: [Elecraft] [K3/K3s] RF Gain Control > > Thanks! > > 73, and thanks, > Dave (NK7Z) > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.nk7z.net%2Fdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C637253717830517321sdata=dGIEepXHjlk17%2BbrQo12BJP0D4g8FDyZVrI29hc4jgI%3Dreserved=0 > ARRL Volunteer Examiner > ARRL Technical Specialist > ARRL Asst. Director, NW Division, Technical Resources > > On 5/17/20 8:50 PM, Nr4c wrote: >> I think the upgrade for K3 and the K3S provides still one level ATT but two >> levels of PREAMP on 12, 10 and 6 meters. >> >> Sent from my iPhone >> ...nr4c. bill >> >> >>> On May 17, 2020, at 11:44 PM, Bill Frantz wrote: >>> >>> I think on the K3 you only have one level of ATT, unless you have upgraded >>> the right piece. >>> >>> 73 Bill AE6JV >>> On 5/17/20 at 10:16 PM, d...@nk7z.net (Dave Cole) wrote: I looked at my K3, (not S), and I have a single step of ATT 10 DB, should I have more, or is it just the K3S that has multi steps. >>> - >>> Bill Frantz| Government is not reason, it is not eloquence, it is >>> force; like >>> 408-348-7900 | a fire, a troublesome servant and a fearful master. >>> Never for a >>> https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww. >>> pwpconsult.com%2Fdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14 >>> ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C637253717830517321 >>> mp;sdata=ffqq8g1gQGQJBLuxAEO6aC8Ge%2BGFBgdlxaaKU3n7idQ%3Dreserve >>> d=0 | moment should it be left to irresponsible action. Geo >>> Washington >>> >>> __ >>> Elecraft mailing list >>> Home: >>> https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmail >>> man.qth.net%2Fmailman%2Flistinfo%2Felecraftdata=02%7C01%7C%7Ce91 >>> b1c000fd3451e2d2208d7fae14ac0%7C84df9e7fe9f640afb435%7C1% >>> 7C0%7C637253717830517321sdata=6WC3biCQUGk9ZNFjSB0Pp5sC7twlBVS0tA >>> 7kKQWLKCU%3Dreserved=0 >>> Help: >>> https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmail >>> man.qth.net%2Fmmfaq.htmdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d >>> 7fae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C63725371783051 >>> 7321sdata=%2F9EIPOuGigkN1n%2FstLPOauAOFkVG3W5Bkl69UVFQntM%3D >>> ;reserved=0 >>> Post: mailto:Elecraft@mailman.qth.net >>> >>> This list hosted by: >>> https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww. >>> qsl.net%2Fdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14ac0%7C8 >>> 4df9e7fe9f640afb435%7C1%7C0%7C637253717830517321sdat >>> a=96Cf%2FCtxiclxHiKDnVj4GfFrDu6FlPPNj5S8v77XXKY%3Dreserved=0 >>> Please help support this email list: >>> https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww. >>> qsl.net%2Fdonate.htmldata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7f >>> ae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C6372537178305273 >>> 17sdata=oMiaQnKN2X3X6nyTsh1BvldCXQbCcVRc9w8%2FC78V4xk%3Dres >>> erved=0 Message delivered to n...@widomaker.com > __ > Elecraft mailing list > Home: > https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmailman.qth.net%2Fmailman%2Flistinfo%2Felecraftdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C637253717830527317sdata=%2BlzdksAX5CsvBKLDZYv2R5foTp9I7yYll3CQXZkntHE%3Dreserved=0 > Help: > https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmailman.qth.net%2Fmmfaq.htmdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C637253717830527317sdata=ka2270yhY4XUZ%2FIfOeNXaK46HiEE1qsEX2n%2Fuv25ywo%3Dreserved=0 > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: >
Re: [Elecraft] [K3/K3s] RF Gain Control
The K3S has 5, 10 and 15 dB of ATT. You have to select MENU (NOT CONFIG MENU), rotate VFO B to ATTN then rotate VFO A to select 5, 10 or 15. When you select the ATT button you will have the amount of ATT set in MENU. The triple level of ATT only applies to the main receiver. The sub-receiver still only has the one level of ATT of 10 dB. You are correct that the K3 has only one level of ATT. 10 dB in both the main and sub-receivers. 73, Mark, WB9CIF -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of Dave Cole Sent: Monday, May 18, 2020 04:08 To: Nr4c ; Bill Frantz Cc: elecraft@mailman.qth.net Subject: Re: [Elecraft] [K3/K3s] RF Gain Control Thanks! 73, and thanks, Dave (NK7Z) https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.nk7z.net%2Fdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C637253717830517321sdata=dGIEepXHjlk17%2BbrQo12BJP0D4g8FDyZVrI29hc4jgI%3Dreserved=0 ARRL Volunteer Examiner ARRL Technical Specialist ARRL Asst. Director, NW Division, Technical Resources On 5/17/20 8:50 PM, Nr4c wrote: > I think the upgrade for K3 and the K3S provides still one level ATT but two > levels of PREAMP on 12, 10 and 6 meters. > > Sent from my iPhone > ...nr4c. bill > > >> On May 17, 2020, at 11:44 PM, Bill Frantz wrote: >> >> I think on the K3 you only have one level of ATT, unless you have upgraded >> the right piece. >> >> 73 Bill AE6JV >> >>> On 5/17/20 at 10:16 PM, d...@nk7z.net (Dave Cole) wrote: >>> >>> I looked at my K3, (not S), and I have a single step of ATT 10 DB, should I >>> have more, or is it just the K3S that has multi steps. >> - >> Bill Frantz| Government is not reason, it is not eloquence, it is >> force; like >> 408-348-7900 | a fire, a troublesome servant and a fearful master. >> Never for a >> https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww. >> pwpconsult.com%2Fdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14 >> ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C637253717830517321 >> mp;sdata=ffqq8g1gQGQJBLuxAEO6aC8Ge%2BGFBgdlxaaKU3n7idQ%3Dreserve >> d=0 | moment should it be left to irresponsible action. Geo >> Washington >> >> __ >> Elecraft mailing list >> Home: >> https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmail >> man.qth.net%2Fmailman%2Flistinfo%2Felecraftdata=02%7C01%7C%7Ce91 >> b1c000fd3451e2d2208d7fae14ac0%7C84df9e7fe9f640afb435%7C1% >> 7C0%7C637253717830517321sdata=6WC3biCQUGk9ZNFjSB0Pp5sC7twlBVS0tA >> 7kKQWLKCU%3Dreserved=0 >> Help: >> https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmail >> man.qth.net%2Fmmfaq.htmdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d >> 7fae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C63725371783051 >> 7321sdata=%2F9EIPOuGigkN1n%2FstLPOauAOFkVG3W5Bkl69UVFQntM%3D >> ;reserved=0 >> Post: mailto:Elecraft@mailman.qth.net >> >> This list hosted by: >> https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww. >> qsl.net%2Fdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14ac0%7C8 >> 4df9e7fe9f640afb435%7C1%7C0%7C637253717830517321sdat >> a=96Cf%2FCtxiclxHiKDnVj4GfFrDu6FlPPNj5S8v77XXKY%3Dreserved=0 >> Please help support this email list: >> https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww. >> qsl.net%2Fdonate.htmldata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7f >> ae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C6372537178305273 >> 17sdata=oMiaQnKN2X3X6nyTsh1BvldCXQbCcVRc9w8%2FC78V4xk%3Dres >> erved=0 Message delivered to n...@widomaker.com __ Elecraft mailing list Home: https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmailman.qth.net%2Fmailman%2Flistinfo%2Felecraftdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C637253717830527317sdata=%2BlzdksAX5CsvBKLDZYv2R5foTp9I7yYll3CQXZkntHE%3Dreserved=0 Help: https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmailman.qth.net%2Fmmfaq.htmdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C637253717830527317sdata=ka2270yhY4XUZ%2FIfOeNXaK46HiEE1qsEX2n%2Fuv25ywo%3Dreserved=0 Post: mailto:Elecraft@mailman.qth.net This list hosted by: https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.qsl.net%2Fdata=02%7C01%7C%7Ce91b1c000fd3451e2d2208d7fae14ac0%7C84df9e7fe9f640afb435%7C1%7C0%7C637253717830527317sdata=DruHgUUg%2Fsx67%2BgtwyI2OS5wuUfGWeiMXnDNPIFYUpI%3Dreserved=0 Please help support this email list:
