[Elecraft] The Old Days

[NZ0T]

The conclusion here may well be part of it.  A coworker who worked in
avionics in a former life told me that the use of AM for aircraft
communications is indeed for the ease of tuning but also because a
weaker station can be heard under a stronger one unlike with FM and its
capture effect (likely true for digital).  AM allows an air controller
or other aircraft to hear an emergency call when another station is
transmitting.  Based on my experience, I have no reason to doubt his
conclusion.

73, de Nate, N0NB >>

 Nate, that is exactly the reason AM is still used for aviation.  

73 Bill NZ0T (old pilot).



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