[time-nuts] Greetings from Australia
alex at pcscons.com
Mon Jun 29 19:23:40 UTC 2015
Not exactly Brek, as long as the position of the two stations, which are
in contact with each other, does not vary in the time, you don't have to
worry about Doppler effect, also if you are trying to get in touch in
SSB mode in the 13cm band, you rather have a precise frequency
reference and actually the other site should have too to find each other,
and where the Doppler would effect your communication a special
combination of hardware-software could provide a compensation.
On 6/29/2015 9:33 AM, Brek Martin wrote:
> Hi Guys :)
> I thought I’d say thanks for the add to the group and introduce myself.
> I’m only starting to get compulsive about time and frequency.
> My findings so far are that only the timing of the next second matters because it’s too late
> to worry about the current second by the time you have the information about it.
> It’s +10 hours here so I have to add 10 to everything, and that could increment the date,
> so then a whole calendar program is required to know what the next date will be,
> just because you need to know what date it will be on the next seconds tick that occurs.
> I have a question…
> Is the reason most amateur radio people care about accurate frequency mostly about
> operating at higher radio frequencies?
> I imagine if a bunch of radio enthusiasts aligned their HF radios with atomic standards for use
> on those bands that doppler shift would ruin everything the additional hardware put into it.
> Cheers, Brek.
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