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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