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[aprssig] 144.39 mhz signal from my SONY 42" HDTV

Kent Hufford khufford at atlanticbb.net
Tue Sep 9 20:56:26 UTC 2008


Thanks for the responses..
 
Well, it's over 2 years old, so it's out of warranty. It's good to know
others are not having issues. 
 
Maybe something was knocked out of line in the move. 
 
I would doubt the Best Buy/Buy More kinda tech would have any idea what to
look at.
 
Kent

-----Original Message-----
From: aprssig-bounces at lists.tapr.org [mailto:aprssig-bounces at lists.tapr.org]
On Behalf Of k4rjj at bellsouth.net
Sent: Tuesday, September 09, 2008 4:03 PM
To: TAPR APRS Mailing List
Subject: Re: [aprssig] 144.39 mhz signal from my SONY 42" HDTV


Kent.  I happen to be here at work where we have Five 32" flat screen
monitors.

I tuned to 144.390 on my Yaesu VX-150 and ran it by each.  No signal
interference.  They are different brands and models with the oldest being 6
year old Plasma Sony units and the newest being Winbook and Sceptre.  

If you are still under warranty I'd get a tech out there.  They will try to
pull Part 15 out on you but you hit back with Part 97.  What would they have
to do if this was your neighbors set under warranty and you made an FCC
complaint about it?  Last resort is to actually make that complaint
yourself.

Sweep the set with a service monitor if you have one and note all the other
frequencies it radiates.

Good luck
Ronny K4RJJ


 

-------------- Original message from "Kent Hufford"
<khufford at atlanticbb.net>: -------------- 


> When our 42" SONY HDTV is on, it puts out a signal on 144.39 so strong
that 
> two rooms away, I get a S7 signal on my 2m APRS ICOM 229 radio. 
> 
> Swept the TV with my D7. Signal is all over the TV, back, front, makes no 
> difference. 
> 
> The TV is hooked to a cable box. The cable box can stay on, and not
receive 
> the interference on the APRS freq. It's only when the TV is on, that I get

> the interference. 
> 
> I have tried different channels, different "formats" HD and Analog, etc, 
> only way to stop the interference so far is turn the TV OFF. 
> 
> I have it plugged into a APC 500 UPS. I plug it into a wall socket, makes
no 
> difference. 
> 
> I had the same setup before we moved 3 months ago, and no interference. 
> 
> Ideas? Other than give up TV or APRS... Or a new TV? 
> 
> Thanks, 
> Kent 
> KQ4KK 
> khufford at atlanticbb.net 
> 
> 
> 
> 
> 
> _______________________________________________ 
> aprssig mailing list 
> aprssig at lists.tapr.org 
> https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig 

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