I was going to say this perfectly demonstrates both the great power
(sensitivity) of the panadapter and our greatest curse at the same time.
I was going to give my usual long winded commentary but I must admit
that your 3 letter comment is right to the point.
There are design compromises in our resampler (which will be eliminated
in an all new version of things later by using the arbitrary phase
resampler which will have 120 dB noise floor and cost FEWER ticks by
lots than the current one). But VAC itself has a resampler or uses the
WinBLOWS resampler (horrible) depending on the interface, driver, etc.
YO PEOPLE. When you have 140 dB of dynamic range displayed in front of
you as in our panadapter with standard settings, get an idea that is
FOURTEEN orders of magnitude in power, seven in voltage. 10^14 is a
very large number and is huge in signal processing even if it is about
the right amount when discussing next year's US government deficit spending.
;-)
73's
Bob
N4HY
On 2/3/2010 6:37 AM, Lee A Crocker wrote:
Apparently little known fact:
If you are 80dB down from a 27 watt signal you are transmitting 0.0000027 watts
BFD
73 W9OY
--
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the ones who are mad to live, mad to talk,
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