[ARC5] SCR-274-N Display

[Roy Morgan]

As I understand it, there is another reason for AM in aviation:

With FM, a stronger signal can "capture" the receiver and the weaker signal is not heard. With AM, if the weaker signal is important, or an emergency call, both signals will be heard. 

Roy
Navy Helicopters, retired 

Roy Morgan
K1LKY Western Mass

> On Nov 8, 2021, at 5:47 PM, Bart Lee <bart.lee.k6vk at gmail.com> wrote:
> 
> 
> FWIW all of the aviation VHF / UHF radios are AM, not FM, to avoid FM problems at aircraft speeds (e.g., "picketing").