[time-nuts] 60 KHz Receiver
Mark J. Blair
nf6x at nf6x.net
Tue Oct 5 20:20:50 UTC 2010
On Oct 5, 2010, at 1:15 PM, shalimr9 at gmail.com 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 <nf6x at nf6x.net>
Web page: http://www.nf6x.net/
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