[CQ-Contest] Malicious Interference during SS

Michael Keane K1MK k1mk at alum.mit.edu
Sat Nov 22 10:48:25 EST 2008


A DRM SW broadcast starting on the half-hour?

73,
Mike K1MK

On 11/22/2008 8:07 AM, Ed K1EP wrote:
> Although I didn't encountered that jammer, I was nearby on 14.277
> from about 1327Z to 1416Z.  Earlier, I did receive what I thought was
> intentional interference around 0530Z on 7.207.   I had been running
> on 7.207 for about an hour at the time.  I had a small pileup going
> and as I recall, two CA stations called me at once.  I worked the
> first station and was attempting to work the second station when all
> of a sudden there was a strong and incredibly wide non-voice signal
> that wiped out my receiver.  The signal came out of no where and
> persisted.  Apologies to WK6I who I was trying to work, but there was
> no way that I could hear anything.  After a couple of minutes of
> incredulous listening, I moved on.
> 
> At 11/22/2008 05:00 AM, Jiri Culak wrote:
>> Hello Rich
>>
>> BTW: I suffered in CQ WW exactly the same and it was east coast station
>> around 14.275
>> I have seen some spots about other guys complaining and the station
>> would not give out his callsign either.
>>
>> 73
>> Jiri M0ITY
>>
>> Kind regards
>>
>> Jiri Culak
>>
>> LWSS Ltd.
>>
>> 13 Robjohns Road
>>
>> CM1 3AG - Chelmsford
>>
>> tel. 01245 251 500
>>
>> jiri at lwss.co.uk
>>
>>  LWSS Logo
>>
>> -----Original Message-----
>> From: cq-contest-bounces at contesting.com
>> [mailto:cq-contest-bounces at contesting.com] On Behalf Of Richard Thorne
>> Sent: 20 November 2008 23:40
>> To: cq-contest at contesting.com
>> Subject: [CQ-Contest] Malicious Interference during SS
>>
>> I'm curious how the malicious interference was this year.  I operated at
>>
>> K5NA this year.  I had a major problem around 14.281 this year.  I was
>> sucked into a conversation with a station who would not use his call
>> sign.  He told me that I was splattering so I adjusted my mic gain and
>> compression.  The ham thanked me and said it was fixed.  After a few q's
>>
>> he said I was splattering again, I figured out he was playing games.
>> Soon after he was transmitting recordings of my cq's.  I was able to
>> work through it for a while but my rate suffered so I ended up moving.
>>
>> In this particular case it was at the beginning of the contest.  I had
>> made a few qso's about starting 15 minutes prior to the contest so I had
>>
>> established that the frequency was not previously used and there were no
>>
>> frequency conflicts.
>>
>> So how did it go for every one else this year?  I guess in the future I
>> need to add 14.280 to the list of  frequencies to avoid.  The sstv
>> window has been on my list for quite some time.
>>
>> Rich - N5ZC
> 
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