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Radio Propagation


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D-Region Absorption
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Created by PA4RM

Australian Foundation-class licensees attempting to swap call signs under a new plan are encountering delays. Foundation licensees may now shed their seven-character call signs (VK#Fxxx) for standard six-character call signs. Australian regulator ACMA announced the change in July. Its contractor, the Australian Maritime College (AMC), has been unable to meet the overwhelming demand, so processi...

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