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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 US Postal Service (USPS) has temporarily suspended international mail acceptance for items addressed to certain destinations due to service impacts related to the COVID-19 pandemic. This situation could result in the return or loss of mail, such as QSL cards, addressed to affected parts of the world. The USPS has posted a list of affected countries, which is updated regularly. The Postal Se...

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