Mike Test msg read Paul w2eck On Sat, Jul 26, 2025 at 5:10 PM <[email protected]> wrote:
> Send Elecraft mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://mailman.qth.net/mailman/listinfo/elecraft > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Elecraft digest..." > > > Today's Topics: > > 1. Re: K2, distorted audio signal (Michael Carter) > 2. K3 no effective TX on 3.5 or 10MHz bands > ([email protected] [email protected]) > 3. Test message (Michael Carter) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Thu, 24 Jul 2025 18:27:39 +0000 > From: Michael Carter <[email protected]> > To: Elecraft Reflector Reflector <[email protected]> > Subject: Re: [Elecraft] K2, distorted audio signal > Message-ID: > < > bn0p223mb03919963cc1b2f0c199de8e3e4...@bn0p223mb0391.namp223.prod.outlook.com > > > > Content-Type: text/plain; charset="iso-8859-1" > > Hi Wolfgang, > > You could try an experiment. Disconnect your K2, put it in a household > oven (not microwave oven!) at 100F for about 10-15 minutes, then remove it > and reconnect to your power supply and antenna. Check the audio on 40 > meters immediately upon finding a signal. If that doesn't replicate the > distortion you observed, then you'll have to wait. > > I'll have to think about what temperature-sensitive components might be > present in the VCO that would be affected on 40 meters but not 20 meters. > The varactors used in the VCO are switched depending on band, but I don't > recall if 40 meters uses different varactors from 20 meters. I'll look at > the schematic again. > > 73, > Mike, K8CN > > > ------------------------------ > > Message: 2 > Date: Thu, 24 Jul 2025 22:05:21 +0100 (BST) > From: "[email protected] [email protected]" > <[email protected]> > To: [email protected] > Subject: [Elecraft] K3 no effective TX on 3.5 or 10MHz bands > Message-ID: <[email protected]> > Content-Type: text/plain; charset=UTF-8; format=flowed > > > This happened suddenly. It gives the usual output on all other bands > using 5 watts as measured using a dummy load and my LP100A power meter.? > ? > There is NO output at all on the 3.5MHz band and only 0.4 watts on 10MHz > band when in data or SSB modes. Interestingly it usually (but NOT > always) passes the 5watt self test on all bands except the 10MHz band. I > have the latest firmware installed. > ? > Any ideas of how I might fix this would be welcomed as there is no UK > service available. > ? > G4HUE Andy > > > ------------------------------ > > Message: 3 > Date: Fri, 25 Jul 2025 10:14:30 +0000 > From: Michael Carter <[email protected]> > To: Elecraft Reflector Reflector <[email protected]> > Subject: [Elecraft] Test message > Message-ID: > < > bl3p223mb0385cdccae5c83cda870b5b3e4...@bl3p223mb0385.namp223.prod.outlook.com > > > > Content-Type: text/plain; charset="iso-8859-1" > > This reflector has been strangely silent, and post I made yesterday has > not appeared, hence this test message. > > Mike, K8CN > > > ------------------------------ > > _______________________________________________ > 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 255, Issue 28 > ***************************************** > ______________________________________________________________ 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]
