Eric Gibert/supersid: Cross-platform Sudden Ionospheric Disturbances (SID) monitor · GitHub
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https://github.com/ericgibert/supersid
June 2026
Possible untested method to dry out an SDR that got soaked in rain outside.
I have not been able to check the following method – so cannot guarantee that it works, nor that it won’t damage your device. If my SDR does not dry…
Table of length of central supports for cantenna for dishes of different focal ratios
For a dish: F = (F/D) x D where: F = focal length (support length) F/D = focal ratio D = dish diameter Example for a 1.0 m dish: +———–+—————-+…
Is a black hole an isoptropic radiator?
Yes—if you mean isotropic radiator, then an ideal, non-rotating black hole is about as close as nature gets to one. An isotropic radiator emits the same power in every direction.…