[Premium-Rx] Re: Receiver Frequency Display Accuracy & Calibration

[Terry O'Laughlin]

I just warm my radios up, tune them to 10 MHz on CW and zero beat them to 
the 10MHz output of my Trimble Thunderbolt.  It is accurate to better than 
1/1000 Hz after it has been locked into a GPS satellite for several 
hours.  The WJ radios I have use a BFO synthesized from the receiver master 
oscillator, so BFO offset is not an issue.

An accurate frequency standard is no longer a megabuck proposition.  I've 
had several, all purchased for less than $250 (on eBay).  I kept the 
Trimble, because it is the simplest, lowest power and most accurate I have 
owned.

Terry O'
http://watkins-johnson.terryo.org


At 06:08 PM 10/5/2004, you wrote:
>You hafta be sure that there's no offset on the BFO to do this.