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Radio Propagation


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

The ARRL website, the ARRL Store, and other functions will be offline during maintenance on Sunday, February 19, within the period from approximately 2 AM until 4 AM EST (0700 to 0900 UTC). We apologize for any inconvenience.

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