On 9 Apr, 18:34, krackula <<krack...@i.am>> wrote:

 like civilian
aircraft radios < am >  which style is 60 - 70 years old

I can't see AM on the aircraft bands being phased out any time soon
(voice anyway).

The readability of low signal level AM is better than FM.

Having said that, whether we'll get to the stage when voice comms wont
be needed, being superseded by data, I don't know.