[RFI] FM Wireless Mic on 144.160MHz

Alex alex at kr1st.com
Fri Aug 28 22:01:26 EDT 2020


I do plan to contact them. I'm just curious if anyone would know the 
brand or model of a mic that would operate on that frequency. It 
couldn't hurt to have some extra information, and perhaps suggest some 
alternatives. Perhaps the equipment they use would allow them to change 
frequencies.

I don't have a heavenly voice, but apparently running MS on .150 with 
1200W and about 12dBd gain during the Perseids caused them no problem. 
Neither does running the same power on .160 USB trying to check into a 
net in Philly, which is in the same direction. They are only about 
1000ft from me.

73,
--Alex KR1ST


On 2020-08-28 21:09, Jim Brown wrote:
> A phone call is in order to let them know what they're doing is against 
> the law.
> 
> 73, Jim
> 
> On 8/28/2020 5:43 PM, Alex wrote:
> nb> Hi there,
>> 
>> A local church has a FM microphone that is transmitting on 144.160MHz, 
>> and I can also hear it 20kHz above and below that frequency. I'm not 
>> sure if 144.160MHz is the principal signal or if it's some mixing 
>> product. Would anyone know what brand/model wireless microphone would 
>> cause this?
>> 
>> It wasn't much of a problem when they only used it on Sunday mornings, 
>> but they have a ton of activities now and they use that microphone a 
>> lot more. Tonight is movie night and the mic is on...
>> 
>> 73,
>> --Alex KR1ST
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