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Old April 3rd 09, 08:16 PM posted to rec.radio.amateur.antenna
Jim Lux Jim Lux is offline
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First recorded activity by RadioBanter: Mar 2007
Posts: 801
Default How is field strength specified?

Joel Koltner wrote:
Quick question... when someone tells you that their receiver provides 12dB
SINAD (or whatever) with an incident field strength of, say, 20uV/m, is 20uV/m
an RMS value or magnitude? Or isn't this standardized enough that one should
assume?


RMS.. The conversion from E field to power density will assume 377 ohms


From some Googling RMS appears to be the standard, but I wanted to ask some
folks who really know...

(Back in school, in EM classes it was always magnitudes...)

Thanks,
---Joel