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Old 21st Jun 2019, 10:39
  #20 (permalink)  
bill fly
 
Join Date: Feb 2015
Location: The woods
Posts: 1
Originally Posted by The AvgasDinosaur View Post
I admit I don’t know I wasn’t there.i believe the Airbus crew were actually monitoring closely ‘civil guard’ Their aircraft was not equipped to monitor military guard.
As I understood the situation.
Be lucky
David
About 50 years or so ago I was taught that 121.5 being a half frequency of 243 was a design feature in the hopes that an emergency transmission harmonic would break through. These days, with filters etc. that might not happen.
bill fly is offline