Thanks for the information Lyle, I appreciate it. Like I said, I have no clue with CW and without a rhythmic bone in my body I will probably never get this CW thing..........nor any of it's finer points. (Thank god they finally implemented codeless licences over here!) :-) I didn't realise that there was a 180 degree shift, but I do now. (learning all zee time.)
Jeff Cochrane - VK4BOF Innisfail, QLD, Australia Elecraft K3# 4257 ----- Original Message ----- From: Lyle Johnson To: [email protected] Sent: Monday, November 01, 2010 11:19 AM Subject: Re: [Elecraft] K3 APF The APF has a rapid 180 degree phase shift as you pass through its center frequency. This is fine fore CW, but would wreak havoc on a PSK31 signal. The K3s narrow filters (nomianl 50 Hz) are very good for local PSK31 decoding. In addition, most PC-based software includes well-matched filters for PSK31 decoding. The APF is really intended for CW operation only. 73, Lyle KK7P > What are the pro's and cons of implementing it for the digital modes too? ______________________________________________________________ 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 ______________________________________________________________ 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
