6 meter interference - channel 03

Tue Mar 22 19:54:20 AKST 2005

JR does not make any radios on 53MHz.  In fact, Horizon is not recommending 
any 6 meter radios at this time (their technical people) due to 
interference.  I was considering changing from 72 to 50 but was advised not 
to do such.  Dwayne
----- Original Message ----- 
From: "Atwood, Mark" <atwoodm at paragon-inc.com>
To: <discussion at nsrca.org>
Sent: Tuesday, March 22, 2005 3:32 PM
Subject: RE: 6 meter interference - channel 03

Doesn't JR make 53mhz stuff anymore??  I'm on all Airtronics now, but
all of my JR stuff was on 53.  We did have a local repeater running on
53.8 which caused us some grief until we figured it out, but as you
said, it was only a matter of coordinating with the hams.  We stayed of
53.8 and they were excellent about keeping their equipment in tune.

-M

-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]
On Behalf Of Paul Horan
Sent: Tuesday, March 22, 2005 4:04 PM
To: discussion at nsrca.org
Subject: Re: 6 meter interference - channel 03

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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