If you don't have perfect pitch, you can use a technique I recently described on the Reverse Beacon Network blog, substituting Spectran for a good ear, which I don't have. See <http://reversebeacon.blogspot.com/2010/12/frequency-calibration-and-rbn.html> for the full story.
73, Pete N4ZR The World Contest Station Database, updated daily at www.conteststations.com The Reverse Beacon Network at http://reversebeacon.net, blog at reversebeacon.blogspot.com, spots at telnet.reversebeacon.net, port 7000 On 4/5/2011 5:08 PM, David Robertson wrote: > On usb mode I tune the K3 to the reference standard you are using ( Any AM > station such as WWV or any station of a known frequency). I set the readout > to the exact known frequency of that station. I note the pitch of the sound I > hear from the station (the tone from WWV or CHU works best) . Next I switch > to LSB and note the pitch of the sound. If they are identical then the K3 is > calibrated. If the pitch changes then you have to configure the master > oscillator's frequency so the pitch between USB and LSB match. I relies the > above method requires a good ability to note slight changes in pitch. Some of > us do not posses that ability and must use a different method. For those that > do, this method works. ______________________________________________________________ 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
