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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 deadline to apply for the 2019 ARRL Teachers Institute program has been extended until Friday, May 10. As part of educational outreach to schools through our Education & Technology Program, ARRL each summer offers multiple sessions of the Teachers Institute on Wireless Technology, an expenses- paid professional development seminar.

The Teachers Institute has provided teachers at all grade le...

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