Re: K3- To zero beat or not to zero beat
Posted by
K9MA on
Feb 22, 2019; 4:09pm
URL: http://elecraft.85.s1.nabble.com/K3-To-zero-beat-or-not-to-zero-beat-tp7649117p7649130.html
Another possibility is all those SDR's sitting in unheated sheds sending
RBN spots. That, of course, would lead to more or less random frequency
errors.
73,
Scott K9MA
On 2/21/2019 23:12, Mike Flowers wrote:
> Perhaps what we are seeing here is the cumulative error of the transceivers in the chain.
>
> The DX tunes the rig to 14023 and calls CQ, but their transceiver is just a bit off frequency for one reason or another, so they are really on 14022.95.
>
> The spotting station’s transceiver is also a bit off frequency, so when the DX is tuned in, the spotter’s rig shows 14023.1 - and that’s what gets spotted if the frequency is acquired as data from the rig. If the spot is generated by keyboard, then more errors are possible.
>
> So when you click the spot, you go to 14023.1 and are .15 off the DX frequency +\- whatever variable your rig might introduce.
>
> I don’t have the expectation that when in click on a spot that I will be exactly on the DX frequency. I just like to land in the general neighborhood!
>
> -- Mike Flowers, K6MKF, NCDXC - "It's about DX!"
--
Scott K9MA
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