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[IRCA] pre-sunset



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The two receptions below are completely plausible at this time of year near earliest sunset.

<<
first audibility of the Iranian jammer in Victoria, 22:54UT...may
have been there earlier? 90 minutes until local sunset.

best wishes,

Nick
>>

<<
UNIDENTIFIED. 1521, Nov 28 at 2044 UT, on my MW bandscan in western
Enid, KOKC OKC has a JBA het upon it! Roughly 1 kHz, but I can`t tell
exactly on caradio and whether it`s 1519 or 1521. Could the 2-megawatt
Saudi be propagating this early? (Hauser-OK)
>>

Sunset here in MA late NOV / DEC is about 2115 UTC. A few years ago during a DX get-together at the Cape Cod house of Chris Black (N1CP), we witnessed 1521 Saudi het at noon EST / 1700 UTC and discernible audio 15 minutes later: 4 hours pre-sunset.

Inland sites can experience long-haul DX up to 2 hours before sunset; salt-water sites - as noted above - can be getting into the game up to 4 hours before sunset.

Shorter skip (<2000 km), especially on the upper half of the band, is pretty much an all day thing this time of year in northern states and anywhere in Canada. 

Mark Connelly, WA1ION
South Yarmouth, MA

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