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  • CQ Amateur Radio

    VHF PLUS

    Jun 01, 2020 4 minutes
    BY TONY EMANUELE,* K8ZR

    pril is not known for frequent openings on 6 meters but this spring proved to be the exception. The first sign that the month would be above average began early in the month with a TEP (Transequatorial propagation) opening from southern California, New Mexico, and Arizona into Chile and Educador, with all activity on 50.313 MHz with FT8. TEP was discovered by radio amateurs in the late 1940s. Regions of high-density ionization form approximately 10° to 20° north and south of the earth’s magnetic equator. The range of TEP is approximately 8,000 kilometers, or 5,000 miles — 4,000 kilometers on side of the geomagnetic equator. It co-located. This fact determines the areas that are likely to experience TEP.

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