In general, you have to allow for the width of your signal. As a rule of thumb, I figure my USB/LSB signals occupy the range from the VFO suppressed carrier frequency to 3 kHz away from the VFO frequency. Maybe 4 if you have ESSB selected.
If you tune to 14.225, the suppressed carrier frequency is 14.225, and your USB signal will occupy the range roughly from 14.225 to 14.228, so you're within the General section of the band. The problem we all run into is the high end of these bands. If you set your VFO (the suppressed carrier frequency) above 14.347, parts of your USB signal will spill off the end of the band, 14.350. On 40 meters, LSB, the situation is reversed. If you tune your VFO to a suppressed carrier frequency of 7.300 and the LSB signal will fall into the range from 7.297 to 7.300. However you can't crowd the bottom edge of the 40 meter band. For a general, your lowest frequency is 7.175. You shouldn't tune below 7.178 to avoid putting any part of your LSB signal below 7.175. 73 de Dick, K6KR -----Original Message----- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of David Guernsey Sent: Saturday, July 14, 2012 1:40 PM To: Elecraft List Subject: [Elecraft] [K3] Tunijng the Radio If I tune my K3 to 14.225 MHz will I be in the General Class portion of the 20 meter band, or do I have to allow for the width of my USB signal when I transmit? 73 de Dave KJ6CBS ______________________________________________________________ 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 ______________________________________________________________ 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
