Ross, VK1UN, based in Victoria has been generating WSPR RF using the Weaver method in GNURadio and transmitting with an FL2K VGA dongle acting as a D/A. Naturally, he's using a nifty low pass filter and antenna tuner.
On 40m over night here I spotted him in New South Wales and he was also spotted in Tasmania.
Not bad for an $8 transmitter into a G5RV on a city block.
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