6 meter interference - channel 03

[Paul Horan]

Bill,
    If you have an old receiver (AM, FM or PCM) you can scavange then pull the signal
from the output of the last IF stage and run it into a diode detector.  This will give you
an audio output that you can run into an audio amplifier chip (integrated circuit).  
A one watt output audio chip will be more than enough, you can even push a speaker with this.
    The resulting output will not be anything pretty since both FM and PCM use FM modulation
and a diode detector will not handle this worth a darn; but, I think you should hear something
if an interfereing signal is present.
    Of course it is easier to do a range check.
Paul
----- Original Message ----- 
From: "John Ferrell" <johnferrell at earthlink.net>
To: <discussion at nsrca.org>
Sent: Tuesday, March 22, 2005 5:02 PM
Subject: Re: 6 meter interference - channel 03


> Not likely, the receiver is converting everything to pulses, even the bad 
> stuff!
> 
> John Ferrell
> http://DixieNC.US
> 
> ----- Original Message ----- 
> From: "Bill Glaze" <billglaze at triad.rr.com>
> To: <discussion at nsrca.org>
> Sent: Tuesday, March 22, 2005 4:08 PM
> Subject: Re: 6 meter interference - channel 03
> 
> 
>> Del: I've never had any problems at all on 6 meters anywhere, also, but am 
>> wondering if it would be possible to attach a set of headphone clips 
>> anywhere in one of our recenvers and listen?  We used to do that with the 
>> Orbits, but they were of course super-regen front ends, and about as broad 
>> as all outdoors.  And, these new recenvers may not be able to drive 
>> headphones.  Takes a lot of power.
>>
>> Bill Glaze
>>
>> Del K. Rykert wrote:
>>
>>> Paul..
>>>    Being a Ham and aware that some Hams do use the 50mhz band you may 
>>> have a ham using it for digi-peating or even cw. If you really want to 
>>> bother with the trouble shooting effort you can get yourself a 
>>> directional 50mhz handheld antenna and track down the source. After all 
>>> that effort doesn't mean it will solve your problem except to know where 
>>> it was coming from. I have intenially used the 53 mhz band as over all my 
>>> years of using the ham frequencies I have had many from all areas of the 
>>> country and Canada have never had inference on the 53mhz portion. Was 
>>> reported many had witnessed or personally experienced interference on the 
>>> 50mhz portion.  Draw your own conclusions. I have chosen the 53 mhz and 
>>> never looked elsewhere yet.
>>>
>>>    del
>>>        kb2joi - gen
>>>           worked  220 countries
>>>                rtty / cw / ssb
>>>
>>> ----- Original Message ----- From: "Paul Horan" <phoran at vvm.com>
>>> To: <discussion at nsrca.org>
>>> Sent: Tuesday, March 22, 2005 10:30 AM
>>> 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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> 
> 
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