[TenTec] Some Observations on Orion Stability/Calibration

[Mark Erbaugh]

Jim,

When I was first hooking up my RX340, I accidentally plugged my HF antenna
into the external reference input. The front panel LED actually lit
indicating that the RX340 had detected a 10 MHz reference signal (probably
WWV) on that input. Since you are so close to WWVH, why don't you try
hooking up a 10 MHz antenna (as close as you are, maybe just the proverbial
'wet noodle') to your RX340 reference input and see what happens?

73,
Mark

P.S. You make the decision. I'm not going to pay to repair your RX340 if it
blows up <g>.

----- Original Message -----
From: "Jim Reid" <jimr.reid at verizon.net>
To: <tentec at contesting.com>
Sent: Wednesday, June 04, 2003 13:56 PM
Subject: Re: [TenTec] Some Observations on Orion Stability/Calibration


>
>
> > This has given me some ideas for synchronizing signals
> > around the shack,  including the use as an ultra-high stability
> > reference for my RX-340....
> > I just ordered the set from www.buylegacy.com
>
> Hmmm,  well I am tempted,  but....
>
> I live maybe 11 miles East of the WWVH antenna farm
> here on Kauai.  I suspect the  ground wave signals I rcv
> from them here have pretty good time accuracy,  hi.
>
> They are available at 2.5 (an omni antenna), 5, 10, and
> 15 MHz from VH.  How many nanoseconds per mile at
> light speed?  Doppler shift on ground wave?
>
> Is there a real point in my also ordering a GPS time standard?
> Or,  should I spend the $350 to be sure?
>
> 73,  Jim  KH7M
>
>
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