Navstar 9 Traditional Cache
BoJaB: No response from the cache owner to the previous reviewer temp disable log. I am archiving this listing.
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Difficulty:
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Terrain:
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Size: 
(small)
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Parking is available near cache location.
Each GPS satellite continuously broadcasts a Navigation Message at 50 bit/s giving the time-of-week, GPS week number and satellite health information (all transmitted in the first part of the message), an ephemeris (transmitted in the second part of the message) and an almanac (later part of the message). The messages are sent in frames, each taking 30 seconds to transmit 1,500 bits.
Transmission of each 30 second frame begins precisely on the minute and half minute as indicated by the satellite's atomic clock according to Satellite message format. Each frame contains 5 subframes of length 6 seconds and with 300 bits. Each subframe contains 10 words of 30 bits with length 0.6 seconds each.
Additional Hints
(Decrypt)
HFN ENQ Onfr yay
Treasures
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