[SixClub] Birdies?

Sat, 21 Feb 2004 14:13:49 -0600

Doug; I've lived with various 6-meter birdies -- many clustered 
around 50.110 -- for several sunspot cycles. If you're lucky, you may 
find they're from something in your house and you can do something 
about them. More likely they're some neighbor's computer or 
computerized device, and you'll just have to live with them.

One very helpful device I use here is the Clearspeech speaker; its 
built-in DSP does a great job of killing birdies if they're clean 
birdies, but if yours is broad/modulated it won't help.

Unfortunately the world is filling up with birdie generators; one 
suddenly appeared here that was way over S9+40 just below 50.100, and 
wouldn't peak on my beam. It turned out to be a new computer 
controlled power meter the power company had hung on the back of my 
house! I (with the FCC's help!) convinced them to swap it out for the 
old fashioned mechanical meter, and the problem went away... though 
there are more of them here in Glenview, 'cause I hear them on my 
IC-706 in the car.

And we're carping about BPL??? The QRM generators are already here!!!

Good luck...

73, Joe/W9JUV

>I have a huge birdie right on top of 50.110.  Usually right at S5 
>but pointing in some directions may drop to S3.  Birdie extends from 
>50.108 to 50.113, a big chunk of the DX window.  It's always there.
>
>Any ideas on the cause of birdies?  What can be done to eliminate 
>it?  Radio is a IC706MKIIg, fed with LMR400UF to a 3 element Yagi at 
>28 feet.  Radio is powered by a RS35a supply which goes thru a line 
>filter / surge protector to 110v wall outlet.
>I've determined that I even have this birdie powered by 12 v battery 
>with house power off at the panel.
>Any ideas welcomed. 
>
>
>Doug Huchteman KD5VHZ EM15
>6MT # 2124     SMIRK # 6556
>
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-- 

Joseph Schroeder
Box 406
Glenview,	IL 60025
[email protected]
(847) 657-6500