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Wednesday, May 4, 2016

MONITORING RESEARCH – 9 MHZ SPECTRUM

 
 
MONITORING RESEARCH – 9 MHZ SPECTRUM
 
This is a summary of notable frequency occupancies as researched on May 3, 2016, in the Melbourne pre-sunrise window spanning the time period 1830 to 1915.
 
1830 to 1900
-----------------
5865 KUWAIT R. Farda, Pashto
5875 THAILAND BBC-Nakhon Dari
5910 ROMANIA
5940 GERMANY RL-Biblis Russian
5950 ETHIOPIA Tigray Revolution, Tigrinya
5960 TURKEY Turkish
5970 ALBANIA CRI-Cerrick French
5995 GERMANY RL-Lampertheim Russian
6020 CHINA CRI-Beijing Bulgarian
6030 ETHIOPIA R. Oromiya, Afar
6055 ALBANIA CRI-Cerrick French
6065 BOTSWANA VOA English
6070 VATICAN VR-SMG Latin Mass
6080 BOTSWANA VOA English
6090 ETHIOPIA R. Amhara, Oromo
6110 ETHIOPIA R. Fana, Oromo
6165 OMAN BBC Dari
6195 OMAN BBC English
 
1900 to 1915
----------------
5910 ROMANIA Ukrainian
5985 CHINA CRI-Beijing Portuguese
6090 NIGERIA Kaduna English
6090 CHINA CRI-Urumqi Romanian (co-channel Nigeria)
6145 ENGLAND KBS-Woofferton French
6170 GERMANY VOA-Biblis Kurdish
6185 ENGLAND RTI-Woofferton German
 

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AUSTRALIAN DX REPORT – episode 513 released

AUSTRALIAN DX REPORT – episode 513 released
This Podcast/MP3 may be downloaded from

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Friday, April 29, 2016

MONITORING RESEARCH – 9 MHZ SPECTRUM

MONITORING RESEARCH – 9  MHZ SPECTRUM
 
 
Solar activity remains at a miserably low level, so multi-hop, long-haul propagation on frequencies above about 14 MHz across darkness or semi-darkness paths continues to be unreliable.
 
There have been some revised forecasts issued for Sunspot Cycles – the present (no. 24 ) Cycle was to have finished by November 2015,  but the latest prediction is that this will not happen until some time in 2017, when Cycle 25 should begin.
 
Here is a summary of notable frequency occupancies on 9 MHZ as researched on April 27, 2016, here in Melbourne between 1830 and 1930, our pre-sunrise window.
 
Of significance:
 
- World Christian Broadcasting, new station in Madagascar – Madagascar World Voice
- Voice of America via Santa Maria di Galeria
 
1830 to 1900
 
9310 THAILAND VOA (Deewa Radio) Udon Pashto
9335 SRI LANKA VOA (Deewa Radio) Iranawila Pashto
9380 INDIA Nat Network
9390 THAILAND English
9410 UAE BBC-Dhabbaya English
9425 N. KOREA German
9445 INDIA Various langs
9460 TURKEY Turkish
9480 ALBANIA CRI-Cerrick French
9500 ROMANIA Romanian
9515 KOREA REP. KBS-Kimjae Korean
9525 INDONESIA VOI German
9540 ROMANIA German
9555 S. ARABIA Arabic
9570 MADAGASCAR Madagascar World Voice, NEW STATION, Russian
9620 INDIA Arabic
9675 S. ARABIA Turkish
9740 S. KOREA KBS-Kimjae Spanish
 
1900 to 1930
 
9490 KUWAIT VOA French
9765 CHINA CRI-B Portuguese
9775 VATICAN VOA-SMG-Arabic
9785 TURKEY English
9835 MALAYSIA. RTM-Kajang Malay
9840 GERMANY RL-Lampertheim Russian
9850 GERMANY VOA-Lampertheim Kurdish
9875 N. KOREA French
9890 ENGLAND VOV-Woofferton Russian
9910 PHILS PBS-Udon Tagalog
9940 SWAZILAND TWR-Manzini African langs
9935 GREECE Turkish
 
 
 

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Monday, April 25, 2016

MONITORING RESEARCH – 7 MHZ

 
MONITORING RESEARCH – 7 MHZ
 
Sunspot activity is now the lowest for the present Cycle (No.24) – the 10.7 cm Solar Radio Flux has fallen to 71, and the Daily Equivalent Smoothed Sunspot Number has dropped to 19.
 
This means that long-haul, multi-hop transmissions over darkness or semi-darkness paths will be unreliable on OWFs (Optimum Working Frequencies) above 14 MHz, or MUFs (Maxiumum Usable Frequncies) above about 15 MHz.
 
Here in Melbourne, it is autumn, and sunrise is later, and sunset is earlier, each day, as we move towards winter.
 
The 6, 7, and 9 MHz bands are heavily congested in the UTC time span 1700 to 2200, dominated by transmissions intended for primary reception in Europe, Africa and the Middle East.
 
This is a summary of notable frequency 7 MHz occupancies in the UTC window 1930 to 2000 on April 24, 2014, pre-sunrise in Melbourne.
 
7210 N. KOREA English
7225 GERMANY VOA-Biblis Kurdish
7265 CHINA CRI-Urumqi Esperanto (from 2000)
7280 VIETNAM Russian (from 2000)
7285 ALBANIA CRI-Cerrick English
7325 ENGLAND  Woofferton, French, brokered transmission from Babcock
7350 CHINA CRI-Urumqi French
7365  THAILAND VOA-Udon Kurdish
7390 CHINA CRI-Xian Esperanto (from 2000)
7395 CHINA CRI-Kashi German
7405 CHINA CRI-Xian Portuguese
7415 CHINA CRI-Urumqi Eur lang
7435 CHINA CRI-Xian Romanian
7445 MADAGASCAR BBC-Talata English
7475 SRI LANKA IBB-Iranawila Russian
7485 PHILS IBB-Tinang Korean
 
 
 
 
 
 

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SUNSPOT ACTIVITY

SUNSPOT ACTIVITY
 
This Chart, as at April 24, 2016, courtesy of the Australian Government – Department of Meteorology - Space Weather Services (previously known as the Ionospheric Prediction Service – IPS) shows Sunspot Number variations for the current (No. 24) Sunspot Cycle.
 
 
Blue line is the Predicted Smoothed Sunspot Number
Yellow is the Observed Monthly Sunspot Number
Red is the Observed Smoothed Monthly Sunspot Number
 
Note the secondary peak predicted for mid-2016 and early-2017! The end of the present Cycle is expected to occur in early 2022.
 
Observed sunspot count as at April 23 2016 was VERY LOW – 71.
 
 

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