OK, thanks! > On Aug 23, 2017, at 11:45 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. BNC Connector (Aaron K5ATG) > 2. Re: BL2 Enclosure (rich hurd WC3T) > 3. Re: BNC Connector on KXe (Brendon Whateley) > 4. Noise Reduction (P.J.Hicks) > 5. WTB KAT-100 (N4KS) > 6. Re: BNC Connector on KX3 (Phil Kane) > 7. Re: [KX3] Band Plans (Edward R Cole) > 8. Re: Noise Reduction (Kevin der Kinderen) > 9. Surprising Behavior on KX3 KXPA100 Combo (Phil Hystad) > 10. Ecoflex cable (Wes Stewart) > 11. Re: Surprising Behavior on KX3 KXPA100 Combo (Bob N3MNT) > 12. Re: Surprising Behavior on KX3 KXPA100 Combo (Phil Hystad) > 13. Re: Ecoflex cable (Mike Harris) > 14. Question about K3s and Drake L7B combo (K5MWR) > 15. Re: Noise Reduction (Scott) > 16. Re: Surprising Behavior on KX3 KXPA100 Combo (Phil Hystad) > 17. Re: Noise Reduction (Walter Underwood) > 18. Re: Noise Reduction (Fred Jensen) > 19. Re: Noise Reduction (Kevin der Kinderen) > 20. Re: [KX3] Band Plans (Todd) > 21. Re: Noise Reduction (K9MA) > 22. Re: [KX3] Band Plans (Phil Kane) > 23. OT: [KX3] Band Plans (Ken G Kopp) > 24. Re: [KX3] Band Plans (Phil Kane) > 25. Re: [KX3] Band Plans (Charlie T, K3ICH) > 26. Power source for KAT500 (Sid Frissell) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Wed, 23 Aug 2017 09:58:58 -0500 > From: Aaron K5ATG <[email protected]> > To: [email protected] > Subject: [Elecraft] BNC Connector > Message-ID: > <CADENs2-qbbaMPMkc=7pkqn6hcppizgcw1vsosr7eqd85qhs...@mail.gmail.com> > Content-Type: text/plain; charset="UTF-8" > > Thank you everybody, the issue has been corrected. > > > ------------------------------ > > Message: 2 > Date: Wed, 23 Aug 2017 10:57:29 -0400 > From: rich hurd WC3T <[email protected]> > To: Dave W8FGU <[email protected]> > Cc: Elecraft Reflector Reflector <[email protected]> > Subject: Re: [Elecraft] BL2 Enclosure > Message-ID: > <cabyu7wi+ojlxpfdo4z+ch64yvnl9a338snyzvm5zk-gmc6l...@mail.gmail.com> > Content-Type: text/plain; charset="UTF-8" > > Thanks for this; I was thinking of getting the BL2 but held off until I > could cobble together an enclosure. Since all that cobbling is now done, > I think this might be a good next purchase. :D > > > > --- > 73 (or 72 for the QRP folks), > Rich Hurd / WC3T > DMR ID: 3142737 > Northampton County RACES > EPA-ARRL Public Information Officer for Scouting > Latitude: 40.761621 Longitude: -75.288988 (40?45.68' N 75?17.33' W) Grid: > *FN20is* > > > On Wed, Aug 23, 2017 at 10:52 AM, Dave W8FGU <[email protected]> wrote: > >> GM Jim, >> >> This is Dave W8FGU and yes, I'm still producing enclosures for Elecraft's >> mini module line. Much to my amazement, I'm seeing an increase in business >> in the last couple of years despite thinking that I saturated the market a >> number of years ago. This is a great tribute to Elecraft and the large >> number of hams who enjoy building kits and home brewing. >> >> Look at www.w8fgu.com and you can browse the various enclosures I make >> including the BL2. >> >> Thanks all for the shameless plug ;-) >> >> 73, >> Dave W8FGU >> >> >> >> On August 23, 2017 00:14:03 James Bennett <[email protected]> wrote: >> >> Just completed the assembly of the Elecraft BL2 balun. Nice unit, but I'm >>> a tad disappointed that there is no enclosure for it, optional or included. >>> Since there are exposed electronic connections on it, and because I'll be >>> connecting it to 450-ohm ladder line that handles line barbed wire, I hate >>> just having the BL2 flopping around. >>> >>> A buddy of mine mentioned that he thought at one time there was someone >>> on this reflector who was offering an enclosure for the BL2. Does anyone >>> here have information on such an item? Or, has anyone here with a 3D >>> printer attempted building one? >>> >>> Thx, >>> >>> Jim Bennett / W6JHB >>> Folsom, CA >>> ______________________________________________________________ >>> 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: 3 > Date: Wed, 23 Aug 2017 08:21:35 -0700 > From: Brendon Whateley <[email protected]> > To: [email protected] > Cc: Aaron K5ATG <[email protected]>, Elecraft Reflector Reflector > <[email protected]> > Subject: Re: [Elecraft] BNC Connector on KXe > Message-ID: > <caar4bsgan+m9nlf98b8janaxgbkjwtrgonuldrpvx4pkrbc...@mail.gmail.com> > Content-Type: text/plain; charset="UTF-8" > > If it is a recurring problem, why not put a drop of Loctite (probably 242 > which is non-permanent) on the thread. That should solve the problem. > > - Brendon > KK6AYI > > On Tue, Aug 22, 2017 at 2:36 PM, Don Wilhelm <[email protected]> wrote: > >> Aaron, >> >> The most likely cause is that the nut on the BNC jack has worked loose. It >> should be easy to tighten, although you will likely have to remove the 2 >> meter option (if you have it) and the KXAT3. >> See page 25 of the KX3 Assembly Manual. >> Use a wrench to tighten the nut, and while tightening the nut, put a BNC >> connector on the outside of the jack and hold it with pliers so you can >> torque the nut tight without damaging the BNC jack. >> >> 73, >> Don W3FPR >> >> >> On 8/22/2017 9:54 AM, Aaron K5ATG wrote: >> >>> The BNC Connector on my KX3 has become loose, is there a way to repair it? >>> >> ______________________________________________________________ >> 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: 4 > Date: Wed, 23 Aug 2017 17:24:01 +0000 (UTC) > From: "P.J.Hicks" <[email protected]> > To: ELECRAFT <[email protected]> > Subject: [Elecraft] Noise Reduction > Message-ID: > <[email protected]> > Content-Type: text/plain; charset=utf-8 > > I have been involved with a project developed by Peter Rhodes of the UK that > started as a way to improve the NR in his Pick a Star trx. It appears that > the project is nearing the limits of what can be done and will hopefully go > public soon. The project is called nitPic and operates on the audio output > (phones) under Peter's software. It is truly amazing what it can do. Briefly > it has two modes, SSB and CW. It processes the audio in 'bins' or slices. As > each bin is processed the SW decides if it is signal or noise; if signal it > is enhanced and if noise it is reduced. Sounds simple. It almost completely > eliminates a CW signal if in SSB mode and vice versa eliminates a SSB signal > if in CW mode. I have been able to bring out CW signals from the noise floor > that do not show the slightest trace on my PowerSDR waterfall/spectrum > display. > > So good things are happening and improvements are in the works. > > PJH, N7PXY > > > ------------------------------ > > Message: 5 > Date: Wed, 23 Aug 2017 10:38:57 -0700 (MST) > From: N4KS <[email protected]> > To: [email protected] > Subject: [Elecraft] WTB KAT-100 > Message-ID: <[email protected]> > Content-Type: text/plain; charset=us-ascii > > WTB KAT-100 external antenna tuner for K2/100. I'm good on QRZ.com. > > > > > ----- > Ken N4KS > -- > View this message in context: > http://elecraft.365791.n2.nabble.com/WTB-KAT-100-tp7633700.html > Sent from the Elecraft mailing list archive at Nabble.com. > > > ------------------------------ > > Message: 6 > Date: Wed, 23 Aug 2017 10:45:16 -0700 > From: Phil Kane <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] BNC Connector on KX3 > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8 > > On 8/23/2017 5:56 AM, geoffrey allsup wrote: > >> I noticed this issue when I first assembled my KX3. The simple cure >> for me after tightening the BNC a couple of times early on was to use >> a right-angle BNC adapter all the time. No more problems, and the >> coax conveniently pays off to the rear of the rig :-) > > I use that trick on all the BNC fittings on the preamps, filters, and > multicouplers in my receiving signal distribution system mounted on a > vertical backboard. Makes connection much easier. > > 73 de K2ASP - Phil Kane > Elecraft K2/100 s/n 5402 > >> From a Clearing in the Silicon Forest > Beaverton (Washington County) Oregon > > > ------------------------------ > > Message: 7 > Date: Wed, 23 Aug 2017 10:03:58 -0800 > From: Edward R Cole <[email protected]> > To: Elecraft Reflector <[email protected]> > Subject: Re: [Elecraft] [KX3] Band Plans > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii"; format=flowed > > To all who cite how their state police use low-band VHF (30-50 MHz). > > Yes, I've heard that touted for years (decades), yet the Alaska > Troopers (state police) use high-band VHF (150-175 MHz). Their > car-to-car simplex is 155.250 MHz. Only state utility that uses > low-band (47-MHz) is the AK DOT. I personally know that they > installed a base station in the home of a worker (his wife was > KL7UP-sk) perched on a hill overlooking Turnagain arm to provide a > link from Anchorage (about 25-miles) to a hwy maint camp 16-miles > further up a mountain valley. They now have a hwy repeater near the > maint camp others along the Seward Hwy which probably provides hwy > coverage. The Seward Hwy+Sterling Hwy "are" the"I-5" of Alaska (not > to mean its a freeway - its mostly 2-lane 55mph hwy - but see's > highest traffic use in AK). > > So all I can say about 6m prop from Kenai to Anchorage: low rolling > hills and over water is that higher frequencies (222) propagate > better (1991- to date experience). > > Now I return the reflector to normal "Elecraft oriented" use. > > 73, Ed - KL7UW > http://www.kl7uw.com > Dubus-NA Business mail: > [email protected] > > > > ------------------------------ > > Message: 8 > Date: Wed, 23 Aug 2017 15:14:20 -0400 > From: Kevin der Kinderen <[email protected]> > To: "P.J.Hicks" <[email protected]> > Cc: ELECRAFT <[email protected]> > Subject: Re: [Elecraft] Noise Reduction > Message-ID: > <cafa9ujt2dayjug_i_wwrt81t+uxnbtgj3ytgwr_xuqdnhee...@mail.gmail.com> > Content-Type: text/plain; charset="UTF-8" > > I'd love to hear some A/B audio samples of nitPic if they become available. > It operates at AF? Operates well in congested bands? > > I've always been told that by the time the signal is demodulated to AF the > damage is done. Why I believe this I have no clue. So when I hear something > about noise reduction or filtering on AF it always makes me think of > howling CW and scratchy voice. The best filter I used at audio was the old > Autek QF-1A. Boy could I get that howling! I think I need to catch up and > learn new old ham tales. > > 73, > Kev K4VD > > On Wed, Aug 23, 2017 at 1:24 PM, P.J.Hicks <[email protected]> wrote: > >> I have been involved with a project developed by Peter Rhodes of the UK >> that started as a way to improve the NR in his Pick a Star trx. It appears >> that the project is nearing the limits of what can be done and will >> hopefully go public soon. The project is called nitPic and operates on the >> audio output (phones) under Peter's software. It is truly amazing what it >> can do. Briefly it has two modes, SSB and CW. It processes the audio in >> 'bins' or slices. As each bin is processed the SW decides if it is signal >> or noise; if signal it is enhanced and if noise it is reduced. Sounds >> simple. It almost completely eliminates a CW signal if in SSB mode and vice >> versa eliminates a SSB signal if in CW mode. I have been able to bring out >> CW signals from the noise floor that do not show the slightest trace on my >> PowerSDR waterfall/spectrum display. >> >> So good things are happening and improvements are in the works. >> >> PJH, N7PXY >> ______________________________________________________________ >> 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: 9 > Date: Wed, 23 Aug 2017 12:32:41 -0700 > From: Phil Hystad <[email protected]> > To: Elecraft <[email protected]> > Subject: [Elecraft] Surprising Behavior on KX3 KXPA100 Combo > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8 > > I have configured my KX3 with my KXPA100 (previously used only with KX2) > following all instructions (I think) in the KXPA100 user manual. > > First comment ? everything works, antenna tuner on KXPA100 works, power out > 100 watts on all bands, and so on. > > Weird stuff: > > 1. I Held Keyer/Mic/PWR button for power display, showing 100 watts. Then, > I immediately pushed Band+ to switch up to next band. No band switching too > place but the display changed from 100 watts on KX3 back to the clock. > Pressing Band+ once more results in band switching as expected. This happens > every time in the sequence I describe and I am wondering if (a) this is > normal, (b) something is not yet configured correctly. > > > 2. My reason for Hold on Keyer/Mic/PWR to display power is because after > switching bands and after tuning the antenna for a low SWR (about 1.1:1) the > power output was only about 10 watts. I did a Hold on Keyer/Mic/PWR to see > the power output and it was indeed 100 watts and not 10. I then keyed down > and then the output was 100 watts. This does not seem normal to me. > > None of these two behaviors occurred on my KX2. > > Any ideas or comments? > > 73, phil, K7PEH > > > > ------------------------------ > > Message: 10 > Date: Wed, 23 Aug 2017 13:22:55 -0700 > From: Wes Stewart <[email protected]> > To: Elecraft Reflector <[email protected]> > Cc: Tower Talk <[email protected]> > Subject: [Elecraft] Ecoflex cable > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8; format=flowed > > About three years ago I purchased some Ecoflex-10 cable assemblies from > Vibroplex. These had what seemed to be very nicely made PL-259 type > connectors > preinstalled. (Getting lazy in my old age) It appears that Vibroplex no > longer > sells these but other vendors do. > > This note is to report on the performance in the field so far. In addition to > the ones used as patch cords in the station, I installed one 60 foot length > on > my Rohn fold-over tower from the base to the Yagi on top. The upper end was > used as a rotor loop, so it saw that flexing. > > Prior to installing this cable I performed characterization measurements > using > my DG8SAQ vector network analyzer > (http://sdr-kits.net/VNWA3_Description.html) > running the supplied software and post processing the s11 data with Zplots > (http://ac6la.com/zplots1.html). The VNWA was calibrated with SMA standards > but > of course, measured with SMA-to-UHF adapters. No attempt was made at that > time > to pick nits and subtract out adapter errors as they are pretty meaningless > in > this application. Cited with ridiculous precision, the loss at 30 MHz was > 0.438 dB. > > A few days ago I had need to fold over the tower for another purpose and > decided > to remeasure this cable and see how it's fared after nearly three years > exposure > in the Arizona desert. The present attenuation was 0.483 dB, which is > remarkably close, especially considering the uncertainties involved. I am > quite > pleased and wouldn't hesitate to use this wherever flexing is an issue. I > will > continue to use Heliax where it isn't. > > FWIW, > > Wes N7WS > > > > ------------------------------ > > Message: 11 > Date: Wed, 23 Aug 2017 13:38:57 -0700 (MST) > From: Bob N3MNT <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] Surprising Behavior on KX3 KXPA100 Combo > Message-ID: <[email protected]> > Content-Type: text/plain; charset=us-ascii > > If you are saying you switched bands with the amp still transmitting, that > would probably cause what you are seeing. There is a short delay after > switching bands to switch in the new tuner settings. You should give the amp > time to complete the changes before transmitting. > > > > > -- > View this message in context: > http://elecraft.365791.n2.nabble.com/Surprising-Behavior-on-KX3-KXPA100-Combo-tp7633704p7633706.html > Sent from the Elecraft mailing list archive at Nabble.com. > > > ------------------------------ > > Message: 12 > Date: Wed, 23 Aug 2017 14:05:40 -0700 > From: Phil Hystad <[email protected]> > To: Bob N3MNT <[email protected]> > Cc: [email protected] > Subject: Re: [Elecraft] Surprising Behavior on KX3 KXPA100 Combo > Message-ID: <[email protected]> > Content-Type: text/plain; charset=us-ascii > > No, I certainly did not switch bands while transmitting. I don't think I > said that. > > PEH's iPhone > >> On Aug 23, 2017, at 1:38 PM, Bob N3MNT <[email protected]> wrote: >> >> If you are saying you switched bands with the amp still transmitting, that >> would probably cause what you are seeing. There is a short delay after >> switching bands to switch in the new tuner settings. You should give the amp >> time to complete the changes before transmitting. >> >> >> >> >> -- >> View this message in context: >> http://elecraft.365791.n2.nabble.com/Surprising-Behavior-on-KX3-KXPA100-Combo-tp7633704p7633706.html >> Sent from the Elecraft mailing list archive at Nabble.com. >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] > > > ------------------------------ > > Message: 13 > Date: Wed, 23 Aug 2017 19:03:45 -0300 > From: Mike Harris <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] Ecoflex cable > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8; format=flowed > > I installed Ecoflex 10 cable from the shack to the top of my tower in > 2008. A year or two ago it was mentioned and illustrated in the RSGB > "RadCom" magazine the potential problem of screen foil break up and > possible centre conductor migration through the foam dielectric in > sections of this type of cable at places of repeated flexing. > > My two runs of Ecoflex 10 terminate at the top of the tower with two > extension runs providing the a rotator loop and continuing onwards to > the HF and 6m beams on an eight foot mast above the top bearing. One run > was Ecoflex 10 the other was RG213 type. > > Recently I removed both extension cables for destructive inspection in > the area of the rotator loop. > > The copper foil screen of the Ecoflex 10 was seriously cracked, in some > places almost to the point of complete severance. The braid element of > the screen which is not particularly dense was OK. > > The RG213 type cable showed no sign of damage whatsoever. > > Naturally a rotator loop over a period of years takes a hammering and it > seems this sort of foam, braid, foil cable is not first choice for the job. > > Two replacement rotator loop runs of RG213 type cable have now been > installed from the top of the tower to the antennas. The extra loss of > these short lengths at HF and 6m are in my case insignificant given that > the full run length shack to antenna is approximately 160 feet. > > My only experience is with Ecoflex 10, cable from other manufacturers > may behave differently. > > Regards, > > Mike VP8NO > > On 23/08/2017 17:22, Wes Stewart wrote: >> About three years ago I purchased some Ecoflex-10 cable assemblies from >> Vibroplex. These had what seemed to be very nicely made PL-259 type >> connectors preinstalled. (Getting lazy in my old age) It appears that >> Vibroplex no longer sells these but other vendors do. >> >> This note is to report on the performance in the field so far. In >> addition to the ones used as patch cords in the station, I installed one >> 60 foot length on my Rohn fold-over tower from the base to the Yagi on >> top. The upper end was used as a rotor loop, so it saw that flexing. >> >> Prior to installing this cable I performed characterization measurements >> using my DG8SAQ vector network analyzer >> (http://sdr-kits.net/VNWA3_Description.html) running the supplied >> software and post processing the s11 data with Zplots >> (http://ac6la.com/zplots1.html). The VNWA was calibrated with SMA >> standards but of course, measured with SMA-to-UHF adapters. No attempt >> was made at that time to pick nits and subtract out adapter errors as >> they are pretty meaningless in this application. Cited with ridiculous >> precision, the loss at 30 MHz was 0.438 dB. >> >> A few days ago I had need to fold over the tower for another purpose and >> decided to remeasure this cable and see how it's fared after nearly >> three years exposure in the Arizona desert. The present attenuation was >> 0.483 dB, which is remarkably close, especially considering the >> uncertainties involved. I am quite pleased and wouldn't hesitate to use >> this wherever flexing is an issue. I will continue to use Heliax where >> it isn't. >> >> FWIW, >> >> Wes N7WS > > > ------------------------------ > > Message: 14 > Date: Wed, 23 Aug 2017 17:34:54 -0500 > From: K5MWR <[email protected]> > To: [email protected] > Subject: [Elecraft] Question about K3s and Drake L7B combo > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8; format=flowed > > I am about to pair up a Drake L7B with my K3s and just wanted to tap the > groups wisdom on any issues. > > If you are running this combination would appreciate any advice from > your experience. > > Thanks > Dave K5MWR > > > > ------------------------------ > > Message: 15 > Date: Wed, 23 Aug 2017 18:01:49 -0500 > From: Scott <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] Noise Reduction > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8; format=flowed > > Is there a website or software repository yet? > > Scott > AD5HS > > On 8/23/2017 12:24 PM, P.J.Hicks wrote: >> I have been involved with a project developed by Peter Rhodes of the UK that >> started as a way to improve the NR in his Pick a Star trx. It appears that >> the project is nearing the limits of what can be done and will hopefully go >> public soon. The project is called nitPic and operates on the audio output >> (phones) under Peter's software. It is truly amazing what it can do. Briefly >> it has two modes, SSB and CW. It processes the audio in 'bins' or slices. As >> each bin is processed the SW decides if it is signal or noise; if signal it >> is enhanced and if noise it is reduced. Sounds simple. It almost completely >> eliminates a CW signal if in SSB mode and vice versa eliminates a SSB signal >> if in CW mode. I have been able to bring out CW signals from the noise floor >> that do not show the slightest trace on my PowerSDR waterfall/spectrum >> display. >> >> So good things are happening and improvements are in the works. >> >> PJH, N7PXY >> ______________________________________________________________ >> 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: Wed, 23 Aug 2017 16:01:56 -0700 > From: Phil Hystad <[email protected]> > To: Elecraft <[email protected]> > Subject: Re: [Elecraft] Surprising Behavior on KX3 KXPA100 Combo > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8 > > My own answer to my first weird thing in message below: > > Apparently, if you press/HOLD the Keyer/Mic/PWR button to display the power > level, it takes another key press to revert from that action. It was not > merely the band switch that would not function but any key press had the same > result ? which was, that function key did not operate other than to revert > the PWR display back to whatever was displayed prior to the press/HOLD on the > ../PWR button. > > I assume that this might be normal behavior, possibly thinking that most > people would depress the same ../PWR button again to move out of that state. > > ALSO, clarification on the second weird thing: > > To reproduce this behavior of the power output shown one green light on the > power LED display of the KXPA100, do the following: > > Seems to work this way because I have two antennas, one for 80 thru 30 and > the other for 20 thru 10. So, > > ?> Switch antennas (either Ant 1 to 2 or Ant 2 to 1) > ?> Tune using the ATU Tune button. > ?> key down once (I send a dash using my paddle) > ?> result is only one green LED light lit up on Power LED Display of KXPA100. > ?> key down again, same thing, without needing any other button pushes and > normal > display of 100 watts is shown on KXPA100 power LED lights. > > 73, phil, K7PEH > > >> On Aug 23, 2017, at 12:32 PM, Phil Hystad <[email protected]> wrote: >> >> I have configured my KX3 with my KXPA100 (previously used only with KX2) >> following all instructions (I think) in the KXPA100 user manual. >> >> First comment ? everything works, antenna tuner on KXPA100 works, power out >> 100 watts on all bands, and so on. >> >> Weird stuff: >> >> 1. I Held Keyer/Mic/PWR button for power display, showing 100 watts. Then, >> I immediately pushed Band+ to switch up to next band. No band switching too >> place but the display changed from 100 watts on KX3 back to the clock. >> Pressing Band+ once more results in band switching as expected. This >> happens every time in the sequence I describe and I am wondering if (a) this >> is normal, (b) something is not yet configured correctly. >> >> >> 2. My reason for Hold on Keyer/Mic/PWR to display power is because after >> switching bands and after tuning the antenna for a low SWR (about 1.1:1) the >> power output was only about 10 watts. I did a Hold on Keyer/Mic/PWR to see >> the power output and it was indeed 100 watts and not 10. I then keyed down >> and then the output was 100 watts. This does not seem normal to me. >> >> None of these two behaviors occurred on my KX2. >> >> Any ideas or comments? >> >> 73, phil, K7PEH >> >> ______________________________________________________________ >> 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: Wed, 23 Aug 2017 16:06:44 -0700 > From: Walter Underwood <[email protected]> > To: Elecraft <[email protected]> > Subject: Re: [Elecraft] Noise Reduction > Message-ID: <[email protected]> > Content-Type: text/plain; charset=us-ascii > > Discussion appears to be here. > > https://uk.groups.yahoo.com/neo/groups/SNR_group/info?v=1&t=directory&ch=web&pub=groups&sec=dir&slk=363 > > <https://uk.groups.yahoo.com/neo/groups/SNR_group/info?v=1&t=directory&ch=web&pub=groups&sec=dir&slk=363> > > wunder > K6WRU > Walter Underwood > CM87wj > http://observer.wunderwood.org/ (my blog) > >> On Aug 23, 2017, at 4:01 PM, Scott <[email protected]> wrote: >> >> Is there a website or software repository yet? >> >> Scott >> AD5HS >> >> On 8/23/2017 12:24 PM, P.J.Hicks wrote: >>> I have been involved with a project developed by Peter Rhodes of the UK >>> that started as a way to improve the NR in his Pick a Star trx. It appears >>> that the project is nearing the limits of what can be done and will >>> hopefully go public soon. The project is called nitPic and operates on the >>> audio output (phones) under Peter's software. It is truly amazing what it >>> can do. Briefly it has two modes, SSB and CW. It processes the audio in >>> 'bins' or slices. As each bin is processed the SW decides if it is signal >>> or noise; if signal it is enhanced and if noise it is reduced. Sounds >>> simple. It almost completely eliminates a CW signal if in SSB mode and vice >>> versa eliminates a SSB signal if in CW mode. I have been able to bring out >>> CW signals from the noise floor that do not show the slightest trace on my >>> PowerSDR waterfall/spectrum display. >>> So good things are happening and improvements are in the works. >>> PJH, N7PXY >>> ______________________________________________________________ >>> 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: 18 > Date: Wed, 23 Aug 2017 16:58:58 -0700 > From: Fred Jensen <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] Noise Reduction > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8; format=flowed > > Doesn't appear to say very much.? Other than the BW difference [RF/IF BW > might be more than ultimate AF BW], and provided that the demodulated > audio is free of IMD and other obnoxious distortion, I don't see why NR > at AF wouldn't be essentially the same as at IF.? Obvious differences in > the mechanisms to do it, and I'm sure there are dozens of nits that will > be picked over this, but if you can find the signal in the noise [or the > noise obscuring the signal] at the IF frequency, I can't see any reason > why you can't do it at AF just as well. > > 73, > > Fred ["Skip"] K6DGW > Sparks NV DM09dn > Washoe County > > On 8/23/2017 4:06 PM, Walter Underwood wrote: >> Discussion appears to be here. >> >> https://uk.groups.yahoo.com/neo/groups/SNR_group/info?v=1&t=directory&ch=web&pub=groups&sec=dir&slk=363 >> >> <https://uk.groups.yahoo.com/neo/groups/SNR_group/info?v=1&t=directory&ch=web&pub=groups&sec=dir&slk=363> >> >> wunder >> K6WRU >> Walter Underwood >> CM87wj >> http://observer.wunderwood.org/ (my blog) > > > > ------------------------------ > > Message: 19 > Date: Wed, 23 Aug 2017 20:20:01 -0400 > From: Kevin der Kinderen <[email protected]> > To: Fred Jensen <[email protected]> > Cc: Elecraft Reflector Reflector <[email protected]> > Subject: Re: [Elecraft] Noise Reduction > Message-ID: > <cafa9ujuunm-3ukbtjgzteg1zelcviypawwnqnzn+mzofkn5...@mail.gmail.com> > Content-Type: text/plain; charset="UTF-8" > > Maybe the additional noise in the stages between where the filter would be > in IF and where it is in AF? I know I'm thinking of multi-stage RF/IF/AF > superhets and that might be what is tripping me up when it comes to a > single conversion SDR capability. Maybe there is no difference? Or maybe > components that make up a filter in an IF stage are more effective (higher > Q) than in an audio stage? > > 73, > Kev K4VD > > On Wed, Aug 23, 2017 at 7:58 PM, Fred Jensen <[email protected]> wrote: > >> Doesn't appear to say very much. Other than the BW difference [RF/IF BW >> might be more than ultimate AF BW], and provided that the demodulated audio >> is free of IMD and other obnoxious distortion, I don't see why NR at AF >> wouldn't be essentially the same as at IF. Obvious differences in the >> mechanisms to do it, and I'm sure there are dozens of nits that will be >> picked over this, but if you can find the signal in the noise [or the noise >> obscuring the signal] at the IF frequency, I can't see any reason why you >> can't do it at AF just as well. >> >> 73, >> >> Fred ["Skip"] K6DGW >> Sparks NV DM09dn >> Washoe County >> >> On 8/23/2017 4:06 PM, Walter Underwood wrote: >> >>> Discussion appears to be here. >>> >>> https://uk.groups.yahoo.com/neo/groups/SNR_group/info?v=1&t= >>> directory&ch=web&pub=groups&sec=dir&slk=363 < >>> https://uk.groups.yahoo.com/neo/groups/SNR_group/info?v=1&t >>> =directory&ch=web&pub=groups&sec=dir&slk=363> >>> >>> wunder >>> K6WRU >>> Walter Underwood >>> CM87wj >>> http://observer.wunderwood.org/ (my blog) >>> >> >> ______________________________________________________________ >> 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: Wed, 23 Aug 2017 17:44:15 -0700 > From: Todd <[email protected]> > To: [email protected] > Cc: [email protected] > Subject: Re: [Elecraft] [KX3] Band Plans > Message-ID: <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > CHP has totally upgraded their system. They use 39,42,44, and 45MHZ > inputs/outputs. > Most dispatch comm centers, but not up here in extreme NorCal, repeat > the mobiles on > the main base dispatch channel. Makes it easier to listen to both sides. > > They run their extenders in the 700MHZ range using P25 digital. They > were supposed > to upgrade the whole system to a statewide 700MHZ P25 digital system > covering > the whole state. But, no money $$$. Imagine that! > > No more extenders on the old 154.905 freq (was a poor man's radar radar > detector!) ;-) > > When I hear statewide CHP comms, or other state low band Highway > Patrol, I know > that something is happening on six... > > Todd KH2TJ > > > Phil Kane wrote: >> On 8/22/2017 2:14 PM, Walter Underwood wrote: >> >> >>> The California Highway Patrol holds on to their 47 MHz frequencies for the >>> same reason. >>> >> >> 42 MHz. Augmented by a whole system of VHF and UHF portables working >> through in-car repeaters into and out of the 42 MHz network. >> >> > > > ------------------------------ > > Message: 21 > Date: Wed, 23 Aug 2017 20:02:45 -0500 > From: K9MA <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] Noise Reduction > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8; format=flowed > > Impulse noise gets stretched out in time when passed through a narrow > filter, so it must be removed ahead of the narrow filter. This is true > whether in hardware or software. Since this is a very common type of > man-made noise, effectively removing or reducing it would be very > useful. I can't see how this could possibly be done in the audio > range. It could, perhaps, at baseband in a direct sampling receiver. > > In any case, a future Elecraft radio which could effectively reduce > impulse noise when a band is full of strong signals would be very > attractive, especially to urban hams. One scheme used long ago was to > use a second receiver, tuned a bit out of the band to a relatively clear > segment, to control a noise blanker in the main receiver. Could > Elecraft possibly add a mode to use the sub-receiver in this manner? > Or, because the noise-sensing receiver doesn't have to have great > selectivity, perhaps a dedicated receiver could be offered. > > 73, > > Scott K9MA > > > On 8/23/2017 19:20, Kevin der Kinderen wrote: >> Maybe the additional noise in the stages between where the filter would be >> in IF and where it is in AF? I know I'm thinking of multi-stage RF/IF/AF >> superhets and that might be what is tripping me up when it comes to a >> single conversion SDR capability. Maybe there is no difference? Or maybe >> components that make up a filter in an IF stage are more effective (higher >> Q) than in an audio stage? >> >> 73, >> Kev K4VD >> >> On Wed, Aug 23, 2017 at 7:58 PM, Fred Jensen <[email protected]> wrote: >> >>> Doesn't appear to say very much. Other than the BW difference [RF/IF BW >>> might be more than ultimate AF BW], and provided that the demodulated audio >>> is free of IMD and other obnoxious distortion, I don't see why NR at AF >>> wouldn't be essentially the same as at IF. Obvious differences in the >>> mechanisms to do it, and I'm sure there are dozens of nits that will be >>> picked over this, but if you can find the signal in the noise [or the noise >>> obscuring the signal] at the IF frequency, I can't see any reason why you >>> can't do it at AF just as well. >>> >>> 73, >>> >>> Fred ["Skip"] K6DGW >>> Sparks NV DM09dn >>> Washoe County >>> >>> On 8/23/2017 4:06 PM, Walter Underwood wrote: >>> >>>> Discussion appears to be here. >>>> >>>> https://uk.groups.yahoo.com/neo/groups/SNR_group/info?v=1&t= >>>> directory&ch=web&pub=groups&sec=dir&slk=363 < >>>> https://uk.groups.yahoo.com/neo/groups/SNR_group/info?v=1&t >>>> =directory&ch=web&pub=groups&sec=dir&slk=363> >>>> >>>> wunder >>>> K6WRU >>>> Walter Underwood >>>> CM87wj >>>> http://observer.wunderwood.org/ (my blog) >>>> >>> ______________________________________________________________ >>> 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] > > > -- > Scott K9MA > > [email protected] > > > > ------------------------------ > > Message: 22 > Date: Wed, 23 Aug 2017 18:46:48 -0700 > From: Phil Kane <[email protected]> > To: Todd <[email protected]>, [email protected] > Cc: [email protected] > Subject: Re: [Elecraft] [KX3] Band Plans > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8 > > On 8/23/2017 5:44 PM, Todd wrote: > >> When I hear statewide CHP comms, or other state low band Highway >> Patrol,? I know that something is happening on six... > > In 1959 at the peak of the sunspot cycle, the Los Angeles Sheriff's > Department main dispatch was co-channel with the NYPD dispatch channel > for the Brooklyn Borough Command (39.58 IIRC). At the time I was a > reserve deputy with the LASO and we would generally hear the NYPD calls > in the daytime. I had no problem with that because I grew up in > Brooklyn and recognized both the accent and the street names! > > At the time I was still a Tech and had no HF privileges and of course > Elecraft was not in existence. Six meters was not in general use in both > the LA and the NY areas because TV Channel 2 was in use locally (CBS O&O). > > 73 de K2ASP - Phil Kane > Elecraft K2/100 s/n 5402 > >> From a Clearing in the Silicon Forest > Beaverton (Washington County) Oregon > > > ------------------------------ > > Message: 23 > Date: Wed, 23 Aug 2017 19:55:46 -0600 > From: Ken G Kopp <[email protected]> > To: [email protected], Elecraft <[email protected]> > Subject: [Elecraft] OT: [KX3] Band Plans > Message-ID: > <cad4cdtnw-45q1-jn3x-cky-zgrabgfrkune1ctdhn+upho_...@mail.gmail.com> > Content-Type: text/plain; charset="UTF-8" > > Years ago the local law enforcement used 34.980 (simplex) and of course was > often plagued by "skip" from other areas. There was no CTCSS then and > their solution was to change the 10 code to 9 code. 10-8 became 9-8, etc. > > 73 > > K0PP > > On Aug 23, 2017 19:47, "Phil Kane" <[email protected]> wrote: > > On 8/23/2017 5:44 PM, Todd wrote: > >> When I hear statewide CHP comms, or other state low band Highway >> Patrol, I know that something is happening on six... > > In 1959 at the peak of the sunspot cycle, the Los Angeles Sheriff's > Department main dispatch was co-channel with the NYPD dispatch channel > for the Brooklyn Borough Command (39.58 IIRC). At the time I was a > reserve deputy with the LASO and we would generally hear the NYPD calls > in the daytime. I had no problem with that because I grew up in > Brooklyn and recognized both the accent and the street names! > > At the time I was still a Tech and had no HF privileges and of course > Elecraft was not in existence. Six meters was not in general use in both > the LA and the NY areas because TV Channel 2 was in use locally (CBS O&O). > > 73 de K2ASP - Phil Kane > Elecraft K2/100 s/n 5402 > >> From a Clearing in the Silicon Forest > Beaverton (Washington County) Oregon > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > > > ------------------------------ > > Message: 24 > Date: Wed, 23 Aug 2017 19:01:20 -0700 > From: Phil Kane <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] [KX3] Band Plans > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8 > > On 8/23/2017 5:44 PM, Todd wrote: > >> CHP has totally upgraded their system.? They use 39,42,44, and 45MHZ >> inputs/outputs. > > For decades, FCC Rules precluded Low-VHF in-band repeaters so the bases > are licensed as FB ("Fixed Base") rather than FB2 ("Mobile Relay"). A > difference without a distinction. > > 73 de K2ASP - Phil Kane > Elecraft K2/100 s/n 5402 > >> From a Clearing in the Silicon Forest > Beaverton (Washington County) Oregon > > > ------------------------------ > > Message: 25 > Date: Wed, 23 Aug 2017 23:06:24 -0400 > From: "Charlie T, K3ICH" <[email protected]> > To: <[email protected]> > Subject: Re: [Elecraft] [KX3] Band Plans > Message-ID: <[email protected]> > Content-Type: text/plain; charset="UTF-8" > > Is Russian TV still on 48 or so MHz.? They've probably also gone digital. > I remember listening for that TV picture buzz as an indicator that the MUF > was creeping up. > > 73, Charlie k3ICH > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Phil Kane > Sent: Wednesday, August 23, 2017 9:47 PM > To: Todd <[email protected]>; [email protected] > Cc: [email protected] > Subject: Re: [Elecraft] [KX3] Band Plans > > On 8/23/2017 5:44 PM, Todd wrote: > >> When I hear statewide CHP comms, or other state low band Highway >> Patrol, I know that something is happening on six... > > In 1959 at the peak of the sunspot cycle, the Los Angeles Sheriff's > Department main dispatch was co-channel with the NYPD dispatch channel for > the Brooklyn Borough Command (39.58 IIRC). At the time I was a reserve > deputy with the LASO and we would generally hear the NYPD calls in the > daytime. I had no problem with that because I grew up in Brooklyn and > recognized both the accent and the street names! > > At the time I was still a Tech and had no HF privileges and of course > Elecraft was not in existence. Six meters was not in general use in both the > LA and the NY areas because TV Channel 2 was in use locally (CBS O&O). > > 73 de K2ASP - Phil Kane > Elecraft K2/100 s/n 5402 > >> From a Clearing in the Silicon Forest > Beaverton (Washington County) Oregon > ______________________________________________________________ > 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: Wed, 23 Aug 2017 21:44:56 -0600 > From: Sid Frissell <[email protected]> > To: [email protected] > Subject: [Elecraft] Power source for KAT500 > Message-ID: <[email protected]> > Content-Type: text/plain; charset=us-ascii > > Just got my new KAT/KPA500 on the August Special. I have both units all > wired, tested and ready to go except for the 12 to 15 VDC power connection > for the KAT500. What are you experienced KAT/KPA owners using for this power > source? What amperage is required? Advice would be appreciated, please. > > Sid. NZ7M > > Sent From Sid Frissell's iPad > > ------------------------------ > > _______________________________________________ > 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 160, Issue 32 > *****************************************
______________________________________________________________ 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]
