[time-nuts] Carrier phase tracking

Poul-Henning Kamp phk at phk.freebsd.dk
Mon Feb 19 19:11:59 EST 2007

In message <ad9f78230702191501w13dca4afmc90653d1d9e8a627 at mail.gmail.com>, "Matt
 Ettus" writes:
>On 2/19/07, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
>> >Does it
>> >rely on the different Doppler-shifts making them distinguishable?
>> It would have to, if they were not on different frequencies, they
>> would sum to a single sinewave and you couldn't tell them apart
>> (unless you have a direction sensitive antenna).
>I don't wish to offend, but that is totally wrong.

You're right, I forgot about the PRN modulation.

Ohh, and while we're talking about forgotten things, various
facts about Galileo has been mentioned, but the central one
has not:

Galileo operation funding committed to:		zero

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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