[time-nuts] Thunderbolt AMU to dBc conversion
Magnus Danielson
magnus at rubidium.dyndns.org
Sat Feb 13 23:50:57 UTC 2010
Arnold,
Arnold Tibus wrote:
> Magnus & Mark,
>
> for my Thunderbolt system I found a very good correlation
> between AMU and dBc/ Hz ( observed on my system using
> the ThunderboltMonitor watching over long time stable satellite signals )
> when I use the Formula: C/N0(dBHz) = 20 log(AMU) + 23.5.
It would work well, but for lower AMU values (in particular 0) it would
not work so well. Something like the above was my initial assumption.
The availability of AMU=0.0 for a 20 dBc/Hz signal suggests a little
more happens.
Cheers,
Magnus
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