Re: [IRCA] 1566 TA again

[Nick Hall-Patch <nhp@xxxxxxxx>]

Very nice Guy.     By 0530UT, 1566 was pretty much gone here, so 
maybe you  are getting a better signal at your location.   Now try 
576, although that faded pretty rapidly after I'd reported it.   The 
irony is that I don't recall these signals at a time of year when 
"conventional" TA reception is more likely.

I didn't realize you could get such accuracy in frequency using the 
Perseus.   I need to do a fair bit of calculation here, fortunately 
using a spreadsheet, to get to within maybe two tenths of a Hertz, 
using an R8, tuning off to one side to give a 400Hz tone, then 
looking at the resultant het with Spectran.

The 1566 carrier appeared to average 1565.9998 here (within that two 
tenths of a Hertz), but was badly smeared over a couple of Hertz, I'm 
guessing due to Doppler shifts in the ionosphere?

Ah yes, extreme minimalist DXing...

best wishes,

Nick

At 05:41 26-06-12, Guy Atkins wrote:
> I need to get in the habit of checking 1566 in the evenings! I didn't
> remember until 0530, some minutes after sunrise in Benin.
>
> The very weak trace I was seeing on Perseus after calibration measured
> 1566.0003 kHz. The MWoffsets list I have gives 1565.9976 - 1566.000 as the
> reported range (freq data from Aug. 2011). I've no idea if it's them, but
> all other possible targets for 1566 are still in daylight.
>
> I should probably join the Yahoo group or forum that specializes in
> MWoffsets if I want to go chasing hets in lieu of DX with actual audio :^)
>
> Guy Atkins
> Puyallup, WA
>
> ---


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