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Author Topic: Interference on portable tranceivers  (Read 3234 times)

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Kevin Wood

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Re: Interference on portable tranceivers
« Reply #15 on: 19 August 2010, 23:20:04 »

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Quote
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G7 in my case. ::)
Old git :P

Think that makes me an older git then, G8P**, although not used it for a long while, guess that's what happens when you choose a career in Radio and Telecoms for the last 25 years.  ;)

I know what you mean.

I tend to get it out of my system in a couple of concentrated bouts each year.. VHF/UHF NFD being my favourite. Operated with G0FBB/P for the last couple of years (came 2nd last year, IIRC) 8-). They have lots of toys to play with:

 :D

Kevin


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Radiomarko

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Re: Interference on portable tranceivers
« Reply #16 on: 21 August 2010, 17:06:21 »

Nice field day pics, nothing like the sight of the sun glinting on expensive metal   ;D  I was in the team that came first in UKSMG World Six Metre Contest in the early 90's - great fun, ended up completely hoarse after 24 hours....

I cannot boast much metal in the sky at home, but I am a member of a club that can boast about its antenna set up. I operate from there several times a year, so if you hear a strangely english accent calling CQ from RM3M on 20 with an ear shattering signal -  give me a shout!

http://translate.googleusercontent.com/translate_c?hl=en&sl=auto&tl=en&u=http://rk3mwd.ystu.ru/na%2520kryshe.htm&rurl=translate.google.com&usg=ALkJrhhT2qs2H_sxGfdaorV5mwwCVqBY9g
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Thatcher

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Re: Interference on portable tranceivers
« Reply #17 on: 18 June 2011, 15:47:44 »

Still no advice on this. Noise sounds like a helicopter (SWAT), and is present when engine is switched off as well as on.
Tried vx-8, e90, 817, 987.None connected to the car power.
Tried various antennas.

Any  clues? >:(
Lowely 2e0
« Last Edit: 18 June 2011, 15:54:55 by Pushcat »
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Kevin Wood

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Re: Interference on portable tranceivers
« Reply #18 on: 18 June 2011, 19:29:51 »

OK. time to start narrowing things down then.

Is the noise there regardless of whether the radio is powered from the car or its' own internal batteries?

Is it there on a handheld radio with its' own antenna or just an antenna mounted on the vehicle?

If so, can you narrow it down by checking around the car with a handheld to see where it's strongest?

Can you power down circuits on the vehicle until the noise stops? First try it with the ignition key removed. If the noise is still there try pulling fuses until you find the offending circuit. Beware that you'll need a valid code for the head unit if you remove power from it.

Let us know what you find and we'll take it from there.

Kevin
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I_want_an_Omega

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Re: Interference on portable tranceivers
« Reply #19 on: 19 June 2011, 22:14:51 »

Quote
Quote
Quote
G7 in my case. ::)
Old git :P

Think that makes me an older git then, G8P**, although not used it for a long while, guess that's what happens when you choose a career in Radio and Telecoms for the last 25 years.  ;)

Makes me an even older git then G8O** - stopped for same reasons + discovered females @ the same time my chums were playing with their Westmisters  ::)
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