Re: [Elecraft] [K2] Frequency Calibration using WWV Audio Tones

2017-10-31 Thread Bob McGraw K4TAX
See the article "Transmit and Receive on Frequency" as published in Sept. 2015 QST. 73 Bob, K4TAX On 10/31/2017 1:17 PM, Steve Kavanagh via Elecraft wrote: I was wondering if anyone had tried doing the reference oscillator frequency calibration for a K2 without the rather troublesome step

Re: [Elecraft] [K2] Frequency Calibration using WWV Audio Tones

2017-10-31 Thread Don Wilhelm
Steve, That is exactly how I tune WWV before reading the VFO (TP1) and BFO (TP2) frequencies. Adjust Control Board C22 until the 3 lower order digits match (since you are listening to a station known to be on a xx000.000 boundary the subtraction process is a snap. You may want to LOC the

[Elecraft] [K2] Frequency Calibration using WWV Audio Tones

2017-10-31 Thread Steve Kavanagh via Elecraft
I was wondering if anyone had tried doing the reference oscillator frequency calibration for a K2 without the rather troublesome step of accurate zero-beating by feeding the 500/600 Hz audio tones from WWV/WWVH to a computer sound card or smart phone spectrum analyzer, or similar program? It's