Or you can try this that I wrote exactly two years ago. http://elecraft.365791.n2.nabble.com/Ref-Osc-Cal-Method-4-tc2595451.html
Wes N7WS --- On Wed, 4/6/11, Pete Smith <n...@contesting.com> wrote: > From: Pete Smith <n...@contesting.com> > Subject: Re: [Elecraft] [Elecraft K3] Frequency Calibration using Sidetone > To: elecraft@mailman.qth.net > Date: Wednesday, April 6, 2011, 4:47 AM > 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:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
