[simpits-tech] Intercom

[Gene Buckle]

> As for the 400Hz buzz, that can be done, but newer aircraft are using audio
> to digital conversion to eliminate this, so you will be dated! I have heard
> this while
> monitoring the local airport, it is caused by poor wiring practice ending
> in ground
> loops. Even Boeing is at fault by trying to harness everything together.
>
It's called "ambience". :)

g.