[600MRG] 137kHz WSPR Ultimate driver qrp labs

Fri Nov 29 17:50:06 CST 2013

Brian - how do you find
 The freq stability and timing?  also using the Ultimate 2 here on 600m (and 137) and works fine with gps freq input. I did try to key in in "transmit" mode constant carrier and keying the rf via a reed relay and serial rts option on opera but it wasnt able to calibrate as on all the time (i think) - but a great little tx for a few bucks. Wspr/qrss/cw/helli all work great...

Got a ultimate 3 kit waiting to be built...

laurence KL7L WE2XPQ

> On Nov 29, 2013, at 2:07 PM, "Brian Pease" <bpease2 at myfairpoint.net> wrote:
> 
> Just for fun I am test running a Ultimate 3 kit transmitter on 137.500kHz WSPR at 100mw with a full-size horizontal monopole. WG2XKA heard it at 65 miles mid-day.
> 
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