US and Canadian radio amateurs and Part 5 Experimental stations will take part in the second annual Midwinter 630-Meter Activity Night, which will get under way on February 4 at 0000 UTC and continue through February 5 at 2359 UTC. Radio amateurs in the US will be able to make cross-band contacts with Canadian participants.

“This event is being undertaken because of the continuing, worldwide int…

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