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Tuesday, July 2, 2019

SUNSPOT COUNT ZERO - GOOD LONG-HAUL SUNRIS PROPAGATION!

 
Solar activity remains  very low, and at July 3 2019 there there were no sunspots visible on the Earth-facing side of he sun.
 
But we all know that HF propagation does not rely entirely on the extent of sunspot activity – low sunspot numbers and/or Solar Flux levels simply means that the effective spectrum available for long-haul, multi-hop transmissions, is compressed, which affects propagation paths following darkness or semi darkness zones.
 
Here in Melbourne, pre-sunrise multi-hop propagation continues to be reliable in our sunrise period, on frequencies below 10 MHz.  This summary shows a selection of frequency occupancies in the  6,  7. and 9 MHz bands between 2100 and 2130 on July 2 2019.
5860 KUWAIT R.Farda Persian
5925 CHINA CNR5 *2100
5950 FRANCE KBS-Issoudin French
5960 KUWAIT R. Farda Persian
6020 CHINA CRU-Shiz'n Polish
6040 CHINA CNR2
6080 CHINA CNR1
6090 ETHIOPIA R. Amhara to 2100* Amharic
6125 CHINA CNR2
6135 CHINA CRI-B Croatian *2100
6145 CHINA CNR2
6160 CHINA CRI-Sichuan Arabic
7290 CHINA CRI-Xian Korean at *2100
7345 CHINA CRI-Kashi Italian
7370 CHINA CNR2
7385 CHINA CNR5
7390 CHINA CRI-Jinhua Hungarian to 2100*
7425 IRAN Arabic
9460 TAIWAN SOH Chinese
9480 JAPAN NHK-Yamata Japanese
9525 CHINA CRI-Beijing Russian
9620 TURKEY English
9650 KOREA NORTH VOK Japanese
9665 KOREA NORTH KCBS Korean
9700 NEW ZEALAND English
 

 
 
 
 
 
 
 
 

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