General "Science" forum - where you may ask questions about the science of propagation, as well as help answer the technical questions regarding propagation.
I'm Marco from Italy. Does anyone have an idea of what is a suitable median value for the man-made-noise power on board ship in HF frequency range (specifically at 2-3 MHz)?
The ITU-R Recommendations give the man-made noise power for other average conditions (rural area, industrial, ...) but no mention of ship. The prediction software ASAPS gives -130 dBW/Hz but does not justify this value at all and it seems too high.
Could someone help me or suggest some good reference where to find it?
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