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Radio Propagation


Solar X-rays:
Status
Geomagnetic field:
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D-Region Absorption
Prediction:
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Created by PA4RM

The FCC has granted ARRL’s emergency request for a temporary waiver to permit only those radio amateurs active and involved in Hurricane Dorian response and relief efforts to use the PACTOR 4 digital protocol on HF. The waiver is valid through 2100 UTC on Friday, September 6. The waiver request was necessary because Section 97.307(f) of the FCC’s Amateur Radio Service rules limits digital data ...

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