[RFI] FM Wireless Mic on 144.160MHz

[Alex]

Good information, Mike. Thanks!

73,
--Alex KR1ST

On 2020-08-28 22:34, Michael Aust via RFI wrote:
> Don Here a wireless Mic transmitter 72MHz to 75MHz x2 2nd Harmonic in
> the 2meter Ham Band 
> https://www.listentech.com/shop/product/portable-display-rf-transmitter-lt-700-072/
> 73MikeWB6DJI 
> 
> Sent from AOL Mobile Mail
> Get the new AOL app: mail.mobile.aol.com
>  On Friday, August 28, 2020, Don <kb5kwv at gmail.com> wrote:
> 
> Check 72.08 to see if it is the second harmonic of a 72Mhz mic or
> auditory hearing device. I had one they put in the top of the church,
> and it could be heard for a long ways around on the harmonic.
> 
> A quick talk to the pastor, and I helped him change the frequency to
> something where the second harmonic would not bother.
> 
> 
> On 8/28/2020 7:43 PM, Alex wrote:
>> 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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