Nice work Paul. Brian KB1VBF Sent from my iPad
> On Sep 30, 2016, at 10:41 AM, Radiobeamer <paul.g4...@gmail.com> wrote: > > Hi All, > > Firstly, thanks for all of your help. I checked the RFCs on the SSB board > as per Steve's suggestion and they were OK, although my problem was quite > similar (see below). Also, thanks to Frank for your suggestion. As I'm in > the UK it is quite cost prohibitive to send the radio to Don. Also, being > able to fault-find, align and repair the K2 is part of its attraction. > > Secondly, I managed to find the fault!. I noticed that the sensitivity on > the transverter input was better than on the antenna input. Probing about > on the TR switch led me to the conclusion that RFC3 was not connected > properly, leading to excessive loss in D4. Problems with poor soldering on > enamelled wire are well known! After re-making the joints of RFC3 I can > hear signals down to -130dBm on all bands (with the preamp on). > > I've still not measured the sensitivity accurately but it does seem to work > properly now. I'll re-align everything now for 100% performance. > > Thanks again for a helpful and friendly group. > > 73, > > Paul > G4KZY > > > > -- > View this message in context: > http://elecraft.365791.n2.nabble.com/K2-Poor-sensitivity-tp7622862p7622968.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: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 b.den...@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
