RE: [Repeater-Builder] GM300 repeater build ?2

[ka9qjg]

 

 






Sounds like you may be experiencing the phenomenom known as "microphonics".

 

 

---------That’s what it is take one of the Microphones off --------------

 

Sorry I could not resist 

 

My fan use to do that on  My Hamtronics  220 Stand By Repeater  , I forgot what 
I  Did to cure it I think I use some rubber mounting 

 

Good Luck 

 

Don KA9QJG