Technical Topics > Propagation

Effects of fires and high altitude smoke on propagation?

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EricPeterson:
From NWS State College:

Smoke can filter out shortwave radiation from the sun resulting in cooler days, but is not as effective in absorbing longwave radiation (the smoke particles are too small), so it has less impact on overnight low temps

I know solar shortwave and longwave heat from the earth is not RF but it's all radiation.

BoomboxDX:
To truly affect ionospheric propagation, the smoke would have to be 50-100 miles up, I think.

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