6 meter interference - channel 03
Paul Horan
phoran at vvm.com
Tue Mar 22 12:07:21 AKST 2005
Bill,
I have not tried a set of headphones. What would I hook them up to ?
I do not have a 6 meter rig to monitor the frequency with, I guess that is
one possibility. Or I could scavange an old receiver, add a diode detector
and put some headphones after that. My good receivers are pcm and fm.
If it is a ham, probably all I have to do is coordinate with him. I'm more
concerned if it is a CBer overmodulating and running a linear.
Too bad noone makes any 53 Mhz modules and recievers.
Thanks,
Paul
----- Original Message -----
From: "Bill Glaze" <billglaze at triad.rr.com>
To: <discussion at nsrca.org>
Sent: Tuesday, March 22, 2005 2:43 PM
Subject: Re: 6 meter interference - channel 03
> Interesting. I wrote earlier today about flying about 300 yds. from a
> 2000 ft. antenna. I flew on 6 meters, until recently (need to get my
> license renewed), and never had a hit. Mostly on ham band 04, 03, and
> some on 53.1; I'll have to take a look at my collection of modules and
> see if I have anything below 51 MHz. Of course, the 50-50.1 custom on 6
> meters as a set-aside for CW only, is just a "gentleman's agreement" and
> is not a law. Still, most seem to abide by it; but there's always a guy
> or 2 that doesn't get the word. Have you been able to hook up a set of
> headphones to check and see if you can hear anything?
>
> Bill Glaze
>
> Paul Horan wrote:
>
>> Mark,
>> What are the frequency allocations for digital tv ?
>> I don't think that's what is happening to me but will check into it.
>> Until a couple of years ago I did not have any interference, in the last
>> two years it appears to have been getting worse. Almost lost my
>> Prophecy yesterday.
>> I am aware of the TV channel 2 problem, when I lived in Houston
>> the local ch 2 had such bad lower sideband suppression that hits on
>> 6 meters were a way of life.
>> Thanks,
>> Paul
>> ----- Original Message ----- From: "Atwood, Mark"
>> <atwoodm at paragon-inc.com>
>> To: <discussion at nsrca.org>
>> Sent: Tuesday, March 22, 2005 10:12 AM
>> Subject: RE: 6 meter interference - channel 03
>>
>>
>>> Digital Tv. Local channel 02 has basically wiped out our 53mhz band
>>> completely. The FCC and the station are both aware that they're
>>> broadcasting outside their boundries, but given the aggressiveness with
>>> which they want Digital TV up and running, the FCC has stated that they
>>> will be lenient for a period of time to get things in order. The
>>> station has been forthcoming with admitting that their bleeding over,
>>> but have yet to invest in the equipment needed to prevent it. It'll
>>> probably be a few years I'm told.
>>>
>>> Not sure if the same could be happening to 50mhz... But that's the
>>> story on the 53 bands here.
>>>
>>> -Mark
>>>
>>> -----Original Message-----
>>> From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]
>>> On Behalf Of Paul Horan
>>> Sent: Tuesday, March 22, 2005 10:31 AM
>>> To: discussion at nsrca.org
>>> Subject: 6 meter interference - channel 03
>>>
>>> I am getting interference on Channel 03 , 50.86 Mhz. The 50 mhz
>>> rc frequencies are in the CW portion 50-50.100 6meters. My symptoms
>>> were a few holds, plane did no fly smoothly, and 2 failsafes
>>> - low throttle.
>>> Any ideas what are the best channels on 6 meters to stay away from
>>> interference ? Of course, one
>>> solution is to go to the regular RC freqs.
>>> Any ideas if this interference can be due to some other cause ?
>>> ThanksPaul Horan
>>> KC5NF
>>> AMA 57131
>>> NSRCA 3606
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>>>
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>>
>
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