Today's Message Index:
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1. 08:39 AM - Radio or Television Tower Buzz (mike>bentley)
2. 09:04 AM - Radio or Television Tower Buzz (Kelly McMullen)
Message 1
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| Subject: | Radio or Television Tower Buzz |
When flying in the vicinity of radio or TV towers, I get a constant buzz or static
over the radio. Sometimes I can hear the conversation or music from the station,
but just barely. It seems to start when I'm within a 1/2 to 1/4 mile from
a tower.
Anyone else have this type of issue or resolved this type of issue?
--------
Mike Bentley
Joplin, MO
N5498B
Kitfox Model 4-1200
Jabiru 2200 #438
Rotec Aerosport LCH Heads
Prince Prop (64 x 34)
Ellison EFS-2 Throttle Body
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=480245#480245
Message 2
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| Subject: | Radio or Television Tower Buzz |
What is happening is that the high power from the towers is exciting one
of the oscillators in one of your radios. What is most common,
especially with older 121.5 ELTs is for their transmit oscillator to be
activated by the high power RF from the towers, generating a weak white
noise signal that breaks squelch on your com radio. I used to have that
problem with a previous aircraft, where there are about 15 high power
towers on a mountain a few miles south of the Phoenix Class B and in
line with the VFR transition through the Class B. Communications with
approach control while flying that transition would become very
difficult. Newer 121.5 ELTs and 406 ELTs are better shielded for that.
Also, moving a com antenna from top of fuselage to belly can help
isolate the ELT from the com antenna.
On 5/20/2018 8:38 AM, mike>bentley wrote:
>
> When flying in the vicinity of radio or TV towers, I get a constant buzz or static
over the radio. Sometimes I can hear the conversation or music from the
station, but just barely. It seems to start when I'm within a 1/2 to 1/4 mile
from a tower.
>
> Anyone else have this type of issue or resolved this type of issue?
>
> --------
> Mike Bentley
> Joplin, MO
> N5498B
> Kitfox Model 4-1200
> Jabiru 2200 #438
> Rotec Aerosport LCH Heads
> Prince Prop (64 x 34)
> Ellison EFS-2 Throttle Body
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=480245#480245
>
>
>
>
>
>
>
>
>
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