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Awesome Wells
09-05-2017, 12:20 PM
When I hear some other pilots transmitting, there is a very distinctive whining noise on the radio. I don't believe it is environmental noise, because I have flown the same aircraft types and the flight deck doesn't sound like that. Any ideas what's causing it? You must have heard it yourselves.


Ski Bird
09-05-2017, 01:49 PM
Pilots.

I keed, I keed.

Side tone, perhaps?

https://en.m.wikipedia.org/wiki/Sidetone

JohnBurke
09-05-2017, 02:12 PM
Poorly shielded antennas and electrical leads.


PerfInit
09-12-2017, 03:16 PM
Often it is old Mad Dogs and their 400hz AC (CSD) Generators "hum"which gets picked up from the interphone system and/or headset wiring...

JohnBurke
09-14-2017, 11:27 AM
Which is poorly shielded wiring, poorly routed wiring, antennas, and connectors. That problem can be alleviated with noise filters.

badflaps
09-14-2017, 03:48 PM
Guys without a contract.........

Awesome Wells
09-17-2017, 03:06 PM
Thanks for the replies, folks (the serious and the funny ones). Much obliged.

ptarmigan
09-17-2017, 04:28 PM
Pilots.

I keed, I keed.

Side tone, perhaps?

https://en.m.wikipedia.org/wiki/Sidetone

Lol, exactly what I would have said!