Chuckle..... Gary Vk1ZZ K3, KX3, KPA500-FT, KAT500-FT,P3. On 20/06/2013 7:47 AM, "Robert G Strickland" <rc...@verizon.net> wrote:
> Sam... > In my *limited* experience with the K3 decoder, I have found that the > quality of the sent cw is a big factor in effective decoding. For example, > leaving all radio settings constant, one signal will decode perfectly, > while another of the same strength and general speed will be gibberish. > Another test is to copy W1AW code practice; decodes perfectly every time > here. Of course, that is machine sent code. Signals sent at speed using a > bug/Vibroflex seem to give the decoder a fit. > ...robert > > On 6/19/2013 19:51, Bill Conkling wrote: > >> Sam, >> >> I have found that the first step is to make sure the signal is tuned as >> close as possible. Signals way off frequency will not decode well at all. >> Then by setting the RF gain fully clockwise, and NR off, set the threshold >> to a value that allows the CWT indicator to flash in time with the CW >> signal. If it is on too long, adjust the RF gain down a bit. I can >> usually >> find a setting that works very well for most decent CW. Guys sending with >> lllooonnnggg dahs and short dits are hard to decode. So is irregular >> rhythm >> or speed. Bad spacing is also a problem. But if adjusted well, it works >> fine. >> >> ...bill nr4c >> >> >> -----Original Message----- >> From: Sam Morgan [mailto:k5oai....@gmail.com] >> Sent: Wednesday, June 19, 2013 12:45 PM >> To: elecraft@mailman.qth.net >> Subject: [Elecraft] K3 CWT decoding update please >> >> running vs 4.67 | 1.115 | 2.81 | 2.81 | 1.03 >> >> I remember there was a discussion about improving the K3's cw decoding >> after >> >> some agc upgrade that took place a long time ago. I wonder if what we have >> now >> is the 'final' version that we are just going to have to settle for? >> >> I ask because I am still having a lot of trouble with cw decodes >> I run thr 2 and cw 5-40 but decoding is just about useless >> I have tried agc slow/fast and off >> I have played with rf gain as well as filter widths >> (I have 200 & 500hz filters as well as the 2.7 ssb filter installed) >> >> with my new external svga display for the P3, I was looking forward to >> doing >> >> some lazy cw monitoring on the external monitor >> >> at best I can copy strong stations like ARRL's code practice runs well, >> but trying to decode most other cw qso's is pretty bad. >> >> what was the older firmware version that did such a good job with >> decoding? >> >> also if you do have it working, what setting are you using that do work? >> >> TIA >> >> > -- > Robert G Strickland, PhD ABPH - KE2WY > rc...@verizon.net.usa > Syracuse, New York, USA > ______________________________**______________________________**__ > Elecraft mailing list > Home: > http://mailman.qth.net/**mailman/listinfo/elecraft<http://mailman.qth.net/mailman/listinfo/elecraft> > Help: http://mailman.qth.net/mmfaq.**htm<http://mailman.qth.net/mmfaq.htm> > Post: mailto:elecr...@mailman.qth.**net <Elecraft@mailman.qth.net> > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ 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
