On Oct 5, 2010, at 1:15 PM, [email protected] wrote: > That is basically the sauce behind GPS. What is the power of the transmitters > on the satellites? It can't be much, and the signal on the ground is quite a > bit below the noise floor before correlation.
If I recall correctly, the transmit power is around 15W. A received signal of -130dbm is considered strong, and tracking (but not acquisition or data decoding) can still be done at signals approaching -160dbm. -- Mark J. Blair, NF6X <[email protected]> Web page: http://www.nf6x.net/ GnuPG public key available from my web page. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
