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630M Texas to Australia


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Posted by John Andrews, W1TAG on August 25, 2014 at 17:53:37.

David, VK2DDI reports reception last night of John Langridge's (KB5NJD)WG2XIQ WSPR2 transmission on 475.621 kHz, for a distance of 8628 miles. VK2DDI is near Berry Mountain in New South Wales, and WG2XIQ is in Duncanville, TX. The reception was on 25 August 2014 at 0950 UTC, with a WSPR-computed signal to noise ratio of -30 dB.

Transequatorial propagation at these frequencies is possible in late summer and late winter, narrow periods when the whole path is in darkness. As WSPR2 is not the very best of weak-signal modes, this reception is a significant achievement.

John, W1TAG

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