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Old 25-Aug-2019, 12:52 PM   #9
rabbit73
Retired A/V Tech
 
Join Date: Aug 2012
Location: S.E. VA
Posts: 2,747
Quote:
Originally Posted by richardrosa View Post
WFSB's signal has been mysterious since day one. Between the minute to minute fluctuations and the level reduction in daylight, It always seems to behave like a short-wave signal, rather than a UHF frequency. All the other stations provide a pretty stable level.

Rich
It's probably because of temperature inversion.




Definition of subrefraction

: a state of refraction (as of the atmosphere) that is less than normal and is usually associated with a sharp vertical gradient of some physical factor (such as temperature)

Attached Images
File Type: jpg richardrosaTVFp2WFSB36bowl.jpg (129.0 KB, 1605 views)
File Type: jpg Refraction-of-radio-waves 2_1.jpg (41.8 KB, 1647 views)
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Last edited by rabbit73; 25-Aug-2019 at 2:39 PM.
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