Jim,
I just ordered the HP Z3801A GPS receiver also. I'll add something in my
Orion software to allow you to match the Orion to the rx340's frequency on a
per band basis.
Carl Moreschi N4PY
Franklinton, NC
----- Original Message -----
From: "Jim Reid" <jimr.reid@verizon.net>
To: <tentec@contesting.com>
Sent: Thursday, June 12, 2003 12:27 AM
Subject: [TenTec] RX-340 and the hp GPS Freq Std.
> Aloha,
>
> Well, the hp Z3801 GPS rcvr is humming along just fine.
> At this instant it is locked to five satellites, and providing
> GPS quality frequency standard at 10 MHz (less than
> 1prt in 10^ -9th, over one day average).
>
> This signal is now fed into J2, the external reference
> standard input port on the back panel of the 340. And,
> immediately, the "EXT REF" LED on the 340 front
> panel illuminated.
>
> Tested the accuracy using George, W5YR's, method as he
> described with his June 4h post to this reflector.
>
> The MixW frequency readout (there was zero sound card
> error, his first test check) is----no error!
>
> The MixW frequency is reading out 1000.0 ! Every now
> and then it will drop for a few moments to 999.9, hi.
>
> Now I know for sure where the RX-340 is tuned, hi.
> Wonder if there is a way to somehow calibrate the
> Orion against the 340; maybe via Carl's software.
> His Orion control programs has a "Calibrate"
> function, but pending serial port "fixes" by Ten
> Tec that feature is not yet functional. But we will
> see.........
>
> Just feeling delighted about the performance of my
> super "fine car and it's speedometer", to borrow
> one of George's analogies, hi.
>
> 73, Jim KH7M
>
>
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