[time-nuts] Thunderbolt AMU to dBc conversion
magnus at rubidium.dyndns.org
Sat Feb 13 14:25:14 UTC 2010
Mark Sims wrote:
> A while back there was a discussion on just how Trimble's AMU (amplitude measurement units) signal levels related to the dBc values. Here is a conversion table.
> It was generated by doing a 24 hour antenna signal level survey in dBc and another one in AMUs and then comparing the resulting values and doing some massaging and tweaking of the results. The results might not be perfect, but are probably as good as one is going to get...
Just looking graphically at it, it seems like the AMU to dBc conversion
occurs in piece-wise linear segments. Some regions is easy to map
linearly while some is not so easy.
Will look a little closer on it.
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