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40 Meter Jammer




 
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Author Topic: 40 Meter Jammer  (Read 1135 times)
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Steve - K4HX
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« on: March 09, 2018, 10:52:26 PM »

The two 40 meter jammers out of Africa were on again tonight and extremely loud - 5/9+40 and over 30 kHz wide. Unbelievable!


* 40m jammers_9Mar18.png (1991.85 KB, 1386x603 - viewed 58 times.)
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Patrick J. / KD5OEI
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« Reply #1 on: March 09, 2018, 11:38:22 PM »

Guess they have nothing better to do. I sometimes wonder if there's nit some intelligence hidden in seemingly random noise, especially when it is repeated.
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Radio Candelstein - Flagship Station of the NRK Radio Network.
kb4qaa
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« Reply #2 on: March 09, 2018, 11:42:09 PM »

Guess they have nothing better to do. I sometimes wonder if there's nit some intelligence hidden in seemingly random noise, especially when it is repeated.
You give them too much credit.  That makes no sense.  Keep in mind these are countries/rebels in an area with millions starving but place higher priority in buying guns and  ammo than feeding their own people. 
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K1JJ
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« Reply #3 on: March 09, 2018, 11:46:11 PM »

The two 40 meter jammers out of Africa were on again tonight and extremely loud - 5/9+40 and over 30 kHz wide. Unbelievable!


It's Rommel!   Look at the tanks lined up between the yellow sand dunes - no doubt.

T


* 40m jammers_9Mar18.png (1991.85 KB, 1386x603 - viewed 33 times.)
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Steve - K4HX
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« Reply #4 on: March 10, 2018, 03:42:20 AM »

Good news is that I2VRN was also 5/9+40 on 7199. QRZ More!
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W3RSW
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« Reply #5 on: March 10, 2018, 07:40:29 AM »

Wonder what they're specifically jamming, Dutch, French or neighboring nation?

Then there’s 7200, an overlay of akttr, multiple signals of the last order. Self jamming, so to speak.
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RICK  *W3RSW*
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« Reply #6 on: March 10, 2018, 02:28:40 PM »

I believe it's a neighboring nation.  I read about the jamming efforts last year, but can't recall the specific nations involved.

Seems Ethiopia is it, iirc.

--Shane
KD6VXI


Edit:  Yes, it's Ethiopia jamming Eritrean government sanctioned transmitters. The Ethiopians have also admitted to jamming specific VOA broadcasts as well.
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Steve - K4HX
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« Reply #7 on: March 10, 2018, 02:50:46 PM »

Yep, Eritrea and Ethiopia.

http://www.arrl.org/news/broadcasters-jammers-wreak-havoc-on-amateur-radio-frequencies
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WA2SQQ
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« Reply #8 on: March 11, 2018, 11:24:52 AM »

I saw this the other night and was ready to start hunting it down in my neighborhood. Good to new it’s not local.
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WB2EMS
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« Reply #9 on: March 11, 2018, 09:33:27 PM »

I think I might rather have it local, you have a chance to maybe do something to resolve it. I think our chances of getting either nation to care about our interference is nil. :-(
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73 de Kevin, WB2EMS
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« Reply #10 on: March 11, 2018, 09:49:32 PM »

I'll call the Ethiopians, see what I can do 🤔🤔😅

--Shane
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kb4qaa
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« Reply #11 on: March 14, 2018, 05:26:10 PM »

Wonder what they're specifically jamming, Dutch, French or neighboring nation?

Then there’s 7200, an overlay of akttr, multiple signals of the last order. Self jamming, so to speak.
https://www.iarums-r1.org/iarums/latest.pdf

IARU Region 1 Monitor (intruder) Watch monthly report.  Check the 7Mhz listings for Eritrea.
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Patrick J. / KD5OEI
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« Reply #12 on: March 14, 2018, 06:51:47 PM »

My sister in law is from Ethiopia. I'll ask her to make a phone call.
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