[K6BW] Interference help?

Michael Ham michael at michaelham.com
Sat Jul 24 00:37:27 EDT 2004


Please unsubscribe me.

I appreciate the info, but too much e-mail traffic.

Thanks

Michael
----- Original Message ----- 
From: "K6 BBQ" <bbq at ispwest.com>
To: <k6bw at mailman.qth.net>
Sent: Friday, July 23, 2004 12:58 PM
Subject: [K6BW] Interference help?


> Hi fellow hambones
> 
> I thought if I share this problem, I might get some other takes on how 
> to try and go about figuring out where this interference is coming from.
> 
> I am on the receiving end of some interference.
> 
> A couple of weeks ago I spoke with the San Francisco section Technical 
> Advisor/Coordinator.  One of his many talents is to help people figure 
> out where their interference is coming from.
> 
> Since talking to him I have run a rig on battery power.
> Also run a rig on battery power while the apartment electricity was off.
> Another time I ran on battery power when a corner of the intersection 
> was
> without power.
> 
> I have awful interference on 10 through 80 meters, sometimes it is up 
> to S5 - S7 on sideband with pre amp.  On AM with preamp, it is S7-S9 
> and at times s 20.
> 
> With the exception of the time that a small part of the neighborhood 
> was without power, the interference has been pretty bad most other 
> times.  Sometimes it pulses on a couple of bands but usually it sounds 
> like driving
> your car with AM radio, under power lines.
> 
> I have a small AM radio (portable) but it doesn't pick up the 
> interference.  The guy suggested I walk around with a portable 
> shortwave radio and see in which direction does the interference grow.
> 
> Does any of the Hamilton group have a small radio I can borrow to try 
> and track this down or anyone have any expert gear and want to try and 
> find it themself?
> 
> A couple of days ago mister UPS man brought me a box from Amidon, them 
> toroid folks.  I haven't had time to put them on yet, this weekend 
> probably.           I don't know if it will change what my rigs are 
> picking up but at least it can help me keep a clean signal.
> 
> 
> 73
> 
> 
> Rem
> -.-  -....  -...  -...  --.-
> k6bbq
> 
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