[HCDX] ETH jamming VoA Tigrigna on Nov 14 at 1900-1930 UT

2016-11-14 Thread Wolfgang Bueschel

ETHIOPIA   -  JAMMING against VoA Amharic, Oromo, and Tigrigna languages.

The Ethiopians bought exact 6 x BBEF Beijing Made in China TX units
some 8 years ago, which may possible switch to broadband DRM digital mode 
transmission too, most modern tx units on very stable frequency alignement.


VoA Tigrigna Monday through Friday
1900-1930 UTC9485_WOF(ex15630)
9755_SMG
   11900_UAE(ex13860, ex15785)
   11955_SAO
   12040_UDO(ex11720)
   12130_LAM - no signal heard at 19.25 UT
   12140_KWT
   13775_UDO(ex13860_UAE)
   15690_LAM

Checked Ethiopian jamming against VoA Ethiopian languages,
VoA schedule, now just 4 weeks after appearence on October 14.

Not been jammed noted today on
11955_SAO, 12140_KWT, and 15690_LAM kHz.

Jamming WHITE NOISE visible on screen.

9485 broad wide signal  9466 - 9501 kHz width. S=9+10dB

9755 broad wide signal  9740 - 9768 kHz width.

11900 broad wide signal 11896 - 11904 kHz width.

12040 broad wide signal 12036 - 12044 kHz width.

13775 broad wide signal 13770 - 13780 kHz width.

(wb  df5sx, wwdxc BC-DX TopNews November 14)

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[HCDX] ETH jamming

2008-01-08 Thread Wolfgang Bueschel
ETHIOPIA  DWL Amharic sce. Two BROADBAND jammer from ETH with annoying hiss 
audio noted on two QRGs only today 1400-1457 UT Jan 8th: 11645 and 15640. No 
interfering signals on Kigali channels either 15620 or 15660 kHz.

Jamming covered 11635.5 - 11653.8, 15633.8 - 15648.8 slots, measured on Eton
E1 with 2.3 kHz filter.
73 wb


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Re: [HCDX] ETH jamming

2008-01-08 Thread Jorma Mantyla
This is sad news and historical irony.

Asa Briggs writes in his famous BBC history that Italy was the first
country to start radio jamming.  This happened in 1936 when Italy occupied
Ethiopia.  Ethiopian radio began to broadcast messages to get help when
Italian forces started their invasion.  These broadcasts were jammed by
the Italians.

http://en.wikipedia.org/wiki/Asa_Briggs

Now the Ethiopian government is jamming foreign broadcasts to Ethiopia.

Jorma Mantyla
Kangasala
Finland

On Tue, 8 Jan 2008, Wolfgang Bueschel wrote:

 ETHIOPIA  DWL Amharic sce. Two BROADBAND jammer from ETH with annoying hiss 
 audio noted on two QRGs only today 1400-1457 UT Jan 8th: 11645 and 15640. No 
 interfering signals on Kigali channels either 15620 or 15660 kHz.
 
 Jamming covered 11635.5 - 11653.8, 15633.8 - 15648.8 slots, measured on Eton
 E1 with 2.3 kHz filter.
 73 wb
 
 
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 http://www.hard-core-dx.com/redirect2.php?id=wrth2008
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