[time-nuts] Measuring sidereal/solar time? Re: A Leap Second is coming

Jim Palfreyman jim77742 at gmail.com
Fri Dec 30 04:56:04 EST 2016

I don't think we could call it "amateur/semi-pro" but the millisecond
pulsar J0437-4715 would be perfect for this. Bright and precise.

Only for southern hemisphere people though.


Jim Palfreyman

On 30 December 2016 at 19:59, Anders Wallin <anders.e.e.wallin at gmail.com>

> out of curiosity, are there any amateur/semi-pro experiments that can
> measure the length of the solar or sidereal day to sub-millisecond
> resolution?
> To reproduce data like this:
> https://upload.wikimedia.org/wikipedia/commons/5/5b/
> Deviation_of_day_length_from_SI_day.svg
> Something in the sky that goes "ping" every day - detected with a pointing
> accuracy of < 1ms/24h or <0.01 arc-seconds (!?). Or perhaps two
> satellite-dishes pointed at the sun and noise-correlation/interferometry??
> Anders
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