Re: [digsstv] 7173 qrm
- Thanks for that info BOB
Bob Poortinga wrote:
> > 25 june 09 2011z
> > huge digital type qrm on 7173. anyone else see it, or am i just lucky.
> This has been going on for quite a while between 7.160 and 7.175. It is
> believed to be the Ethiopian government jamming the broadcasts from
> Eritrean. It was mentioned on the 19-June AR Newsline.
> "If you regularly listen into the 7.100 to 7.200m kHz range on 40
> meters, then you may have noticed some interference that has not yet
> gone away. Starting at 16.30 GMT and lasting about one hour, you will
> find on a powerful wideband rushing noise which is some 15kHz wide on
> 7.165 or sometimes on 7.175 kHz,. Also very faintly you can hear the
> carrier of a program below the jammer.
> The culprit is Radio Ethiopia and it is jamming Voice of the Broad
> Masses from Eritrea. And this is nothing new because Ethiopia also
> regularly jams other transmissions in Amharic from radio Deutsche
> Welle, on 15 and 11MHz.
> Back in 2008 Ethiopia commissioned three or four new transmitters, some
> of which are regularly used for jamming unwanted programs. The jamming
> uses a rectangular white noise signal that is some 10 to 16 kHz wide."
> 73 de
> Bob Poortinga K9SQL <http://www.linkedin.com/in/bobpoortinga
> Bloomington, Indiana US