Solar activity remains very low – the 10.7 radio flux is 75, and the daily equivalent smoothed sunspot number has ranged from 0 to 13. Early-winter propagation into Melbourne now marked by these notable frequency usage in our afternoon and, between ...

 

Australian SW Radio Journal - 5 new articles


Monitoring Research

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Solar activity remains very low – the 10.7 radio flux is 75, and the daily equivalent smoothed sunspot number has ranged from 0 to 13.
 
Early-winter propagation into Melbourne now marked by these notable frequency usage in our afternoon and, between 0415 and 0430, on May 10, 2019.
 
11640 TAIWAN RTI Chinese
11650 CHINA CRI-Kunming Vietnamese
11670 CHINA CNR2
11745 S,. ARABIA Arabic
11825 MADAGASCAR KNLS-Talata English
11850 CUBA RHC Spanish
11860 S. ARABIA Arabic
11875 OMAN BBC Persian
11895 KUWAIT RFA Chinese
11970 UZBEKISTAN NHK-Tashkent Persian
11980 TURKEY Turkish
11995 MADAGASCAR BBC-Talata Somali
12065 GERMANY AWR-Nauen Amharic
12095 ENGLAND BBC English
13600 OMAN R. Oman Arabic
13695 INDIA Hindi to 0415*
13740 IRAN Hebrew from *0420
13750 KUWAIT RFA Chinese
13785 IRAN Turkish from *0425
21505 MARIANAS RFA-Tinian Chinese
 
      
 
 

Monitoring Research

Image: January 1934
No sunspots currently visible on the earthward-facing side of the sun.
Despite this, good propagation here into Melbourne across our post-sunrise window, 2000 to 2100 in the 5, 7, 9, and 11 MHz spectrum.
This is a summary of notable frequency occupancy on May 2 2019,
4450 KOREA REP Voice of People, Korean
5910 UAE BBC-Dhabbaya Arabic
5935 CHINA PBS-Lhasa Chinese
5950 FRANCE KBS-Issoudin French
5960 TURKEY Turkish
6010 JAPAN NHK-Yamata Japanese
6055 BULGARIA TOM-Kostinbrod English
7215 ALBANIA CRI-Cerrick Arabic
7225 AUSTRIA AWR-Moosbrunn Dyula
7360 VATICAN VR-SMG French
7375 GUAM KSDA Russian to 2030*
7390 CHINA CRI-Xian Serbian
7425 IRAN Arabic
7485 PHILS VOA-Tinang Korean
7505 UZBEKISTAN N. Korea  Reform Radio, Tashkent, Korean
9535 KUWAIT RFA Chinese
9620 TURKEY English
9705 VATICAN VR-SMG French
9785 KOREA REP KBS-Kimjae English
12015 KOREA N VOK Korean KCBS relay
12030 SPAIN Spanish, soccer!
      
 
 

Monitoring Report - strong afternoon signals

Solar activity has been very low and there are currently no sunspots on the solar disk visible from the Earth. Solar activity is expected to remain very low in the days ahead.
This decline in solar activity is causing chaos to international broadcasters who are now being forced to move to lower frequencies for long-haul services on multi-hop transmission paths during darkness hours.
Here in Melbourne, propagation  in our mid-afternoon period has been very good from all continents in the 49, 41, 31 and 25 metre bands,
This is a summary of notable frequency occupancy in the 0400 to 0500 window on April 30, 2019.
6015 ROMANIA RRI French from 0500
6060 CUBA RHC fr om 0500
6125 FRANCE RTA-Issoudin French from 0500
6150 ROMANIA RRI Spanish from 0500
6155 GERMANY AWR-Nauen French from 0500
6165 CUBA RHC English from 0500
6180 ROMANIA RRI Spanish from 0500
7270 BOTSWANA VOA Shona
7325 ROMANIA RRI Romanian
7325 SAO TOME VOA African langs frequency conflict with Romania
7335 USA Marti
7340 FRANCE R.  Eye, Issoudin, Sudanese
7375 BOTSWANA VOA English
7410 IRAN Arabic
7435 USA Marti
7505 USA WRNO Chinese
9370 GERMANY R. Fada, Lampertheim Persian
9490 JAPAN NHK-Yamata Japanese
9535 CUBA RHC Spanish
9590 ALBANIA CRI-Cerrick Arabic
9860 VATICAN NHK via SMG, *0500 English
11560 INDIA Persian
11620 CHINA CNR5 Chinese
11640 TAIWAN RTI Chinese
11650 MADAGASCAR R. Dabanga, Talata Sudanese
11660 CHINA CNR2
11670 CHINA CNR2
11745 S. ARABIA Arabic
      
 
 

Daytime Signals - Monitoring Research

 
This is a summary of notable frequency occupancies across the time-span 0430 to 0500, mid-afternoon here in Melbourne, on  April 23, 2019. The dominant propagation mode was long-path, excepting short-path from the Americas.
 
6155 GERMANY AWR-Nauen French
6165 CUBA RHC English
6180 ROMANIA RRI Spanish
7270 BOTSWANA VOA African langs
7325 ROMANIA RRI  Romanian
7325 SAO TOME VOA African rican langs, frequency conflict with RRI
7340 FRANCE Eye Radio, Issoudin, Sudanese
7375 BOTSWANA VOA English
7410 IRAN Arabic
7505 USA WRNO Chinese
9370 GERMANY R. Farda Lampertheim Persian
9490 JAPAN NHK-Yamata Japanese
9525 FRANCE V. of Welt, Issoudin Kurdish
9570 ALBANIA CRI-Cerrick Arabic
9860 VATICAN NHK-SMG English from *0500
11560 INDIA Persian
11650 MADAGASCAR R. Dabanga, Talata Sudanese
11810 CHINA CNR8 Mongolian
11825 MADAGASCAR KNLS  English,lkish
11885 CHINA PBS-Xinjiang Urumqi Uyghur
11895 KUWAIT RFA Chinese
11905 CHINA CNR6 Amoy
11980 TURKEY Turkish
11995 MADAGASCAR BBC-Talata Somali
12095 OMAN BBC English
12130 THAILAND R. Mashaal, Udon Pashto
 
 
      
 
 

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