AUSTRALIAN SHORTWAVE JOURNAL



AUSTRALIAN SHORTWAVE RADIO JOURNAL

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Thursday, December 1, 2011

Propagation and Monitoring

The latest report from IPS in Sydney says that the 10.u7 cm solar flux has
fallen to 141, and the daily SSN has dropped to 95. These values are
expected to decrease to 140 and 91 in the next couple of days.

So, multi-hop long-haul propagation on darkness, or semi-darkness paths
above 12 MHz will not be
very reliable for the immediate future!

Here in Melbourne there has been some interesting propagation in our sunrise
period on 15 MHz, from the east, mainly the Americas and Africa.

This a summary of important frequency occupancies I made on November 30,
between 2000 and 2030:

15195 ASCENSION WYFR English
15385 USA KJES Vado, New Mexico, Spanish - primary target area is listed as
Eastern Australia!
15400 ASCENSION BBC English
15420 USA WBCQ English
15480 S. AFRICA AWR-Meyerton Arabic
15520 ASCENSION WYFR English
15580 N. Antilles VOA English
15620 BOTSWANA VOA French

Regards from Melbourne!

Bob Padula

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