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April 8th, 2002, 10:23
| #1 |
| Shadow Administrator  Join Date: Jul 1998 Location: Between KFCM and KMSP
Posts: 6,227
  |  Transponder in octal I used to know the answer to this question, but I seem to have forgotten it. Does anyone know why a transponder uses octal instead of decimal? |
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April 8th, 2002, 19:29
| #2 |
| Senior Member  Join Date: Jul 2001 Location: Houston, TX
Posts: 1,021
| Re: Transponder in octal I believe your answer lies in the nature of a digital signal. A 4096-code transponder would likely reply to ATC with a 4-byte packet, consisting of 32 bits. The easiest way to encode this with analog knobs would be four knobs, each with eight possible positions-zero through seven. |
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April 11th, 2002, 09:32
| #3 |
| Shadow Administrator Join Date: Jul 1998 Location: Between KFCM and KMSP
Posts: 6,227
| Re: Transponder in octal Thanks for the response, PaulC. I always thought it was odd. |
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