[time-nuts] Carrier phase tracking
phk at phk.freebsd.dk
Mon Feb 19 19:11:59 EST 2007
In message <ad9f78230702191501w13dca4afmc90653d1d9e8a627 at mail.gmail.com>, "Matt
>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
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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