Things to Ponder....

Discussion in 'Free For All' started by Brewster, Mar 5, 2011.

  1. dboyte

    dboyte Guru Registered Member

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    why does my signature show up randomly from post to post.
     
  2. Steve

    Steve Administrator Owner

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    Sigs only show if there are at least 20 words in the post.
     
  3. Brewster

    Brewster I can choose my own title Registered Member

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    Ah... I've been pondering that for a while now. LOL

    Testing, Testing, Testing, Testing, Testing, Testing, Testing, Testing, Testing


    And a signature...lol
     
  4. huskernjack

    huskernjack Enthusiast Registered Member

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    u guys r funny !!!!!
     
  5. LotsaTimers

    LotsaTimers Cancuncare's Survivors Registered Member

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    Hey! I resemble that!:D

    George
     
  6. LotsaTimers

    LotsaTimers Cancuncare's Survivors Registered Member

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    Engineer?

    [ame="http://youtube.com/watch?v=KaHm1ecBCgw"]YouTube - What makes an engineer and/or ham radio amateur??

    :anon:
     
  7. Brewster

    Brewster I can choose my own title Registered Member

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  8. Brewster

    Brewster I can choose my own title Registered Member

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    Come on George. Give me the short version. It seems ridiculous to me that something as critical as clear communications between a pilot and the tower could be so poorly achieved. Even helicopter traffic reports sound bad.
     
  9. LotsaTimers

    LotsaTimers Cancuncare's Survivors Registered Member

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    Well there is a few reasons, one is that they use amplitude modulation (AM) rather than FM which has a poorer sound quality. The reason for this is so that if two pilots transmit at the same time the ATC can hear there is two people talking, with fm only the strongest one would be heard. They also use a lot of audio compresson Which raises the average voice level to be heard better over static etc. That is why they all sound the same.

    I think.:icon_smile:

    George
     
  10. Brewster

    Brewster I can choose my own title Registered Member

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    Ah...very interesting. Thanks!

    (Footnote: There were a couple of AM stations where I used to live that experimented in broadcasting in stereo, years ago. The sound was actually quite good. Of course you needed a receiver that could reproduce the stereo signal)
     
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