[Lowfer] Lowfer SIW
N8OOU
n8oou at meekfarm.us
Wed Oct 11 14:37:16 EDT 2023
Garry, I just looked at the Peoria Kiwi and by clicking on the "stat"
button it shows the GPS is tracking 0 satellites, 0 fixes. That will
indicate it does not have it's ADC clock frequency corrected. We cannot
depend on it being on frequency. It will drift around under the whim of
it's temperature. The GPS antenna is the other area that many Kiwi
owners pay little attention to in the upkeep of the radio.
I have had some luck with the AB9MQ Kiwi in Normal in the past, but then
started getting swamped with noise. I should try it again.
Thanks for the comparison.
73 de N8OOU - Mike Meek
On 10/11/23 12:10, Garry wrote:
> Mike, I just tuned the watering hole with the Edinburgh, IN kiwisdr
> running ARGO code simultaneously at QRSS30 and QRSS60, then tuned using
> the Peoria, IL kiwisdr and did the same. The attachments show how
> lowfers SIW and WM registered. Note the Peoria receiver has a frequency
> error of about -1.2 Hz. The path lengths for Edinburgh, IN are 102.4
> miles for WM and 204.3 miles for SIW, and for Peoria, IL the paths are
> 172.0 miles for WM and 95.9 miles for SIW. The Peoria receiver uses a
> Wellbrook loop at unstated heading while the Edinburgh receiver uses an
> impressive 170' tall end-fed 3-leg inverted V.
>
> 73, Garry, K3SIW, EN52ta, Elgin, IL
>
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