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Radio Propagation


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

Yahoo Groups, which has hosted a considerable number of ham radio interest groups over the years, is shutting down. All previously posted content on the site became unavailable in mid-December, but Yahoo is processing requests to download content until January 31, 2020. Yahoo also has provided group administrators (“admins”) a way to export data ahead of that deadline. Groups will continue to l...

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