On 2015-03-17 12:41 PM, Fred Jensen wrote: > Can you 'splain the difference between AFSK and DATA A?
AFSK A and DATA A are both audio modes. AFSK A uses LSB and FC is set to MARK - 85 Hz (the center of the two RTTY Tones). DATA A is USB and FC is set to 1500 Hz (the center of the transmit audio passband [200 - 2800 Hz]). AFSK A also allows use of the AFSK transmit filter (a tight filter around the Mark/Space tones to eliminate hum/pops/etc.) and the use of the Dual Tone filter on receive. 73, ... Joe, W4TV ______________________________________________________________ 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]
