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Radio Propagation


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

The winning article for the February 2020 QST Cover Plaque award is “CW Combo Key” by Marc Alan Winzenried, WA9ZCO.

The QST Cover Plaque Award -- given to the author or authors of the most popular article in each issue -- is determined by a vote of ARRL members on the QST Cover Plaque Poll web page. Cast a ballot for your favorite article in the March issue today.

 

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