Microair Radio & Transponder

[Soarhead]

Hi guys,

I have a microair radio in a Mark 3 which transmits a lot of noise from the Rotax 582. More to do with the engine than the radio perhaps but it does seem sensitive. Colleagues report reasonable transmissions but do comment on the background 2-stroke noise. I did have an transmit failure last year and sent the unit back to Microair in Australia for repair. To my surprise they sent it back and stated it was beyond economic repair and tried to sell me a new one. A retired friend with an interest in electronics fixed it and it now performs perfectly. On balance if I was to buy again I think I would spend a little more and buy a more robust ICOM or Dittel radio.

[SkyPirate]

Soarhead ..have you checked all of your connections on your radio? I had noise on my radio from my 582,..the lighting coil was causing the noise..I cleaned all connections..soldered instead of crimping wires..cleaned the grounds even at the antenna..then I put a ,5 capacitor inline..it knocked out almost all of the noise

[Slyfox]

I have the microair. until recently mine has worked great. now I get a response back from the tower that my transmission is noisy. explain this 5 capacitor, can you get it from radio shack. where does it go.

[SkyPirate]

Yes you can get it from radio shack, it goes on the power lead to the ground .5 = 500 microfarads, that is what i used

You can put it anywhere in line from + to - , but best to put it closest to source feed for radio