bwilson
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- bwilson
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What an impressing radio the KiwiSDR really is.
I have to agree with Hans: every day I'm impressed anew with how well this radio does it's job. And beyond! I didn't know half the things it could do until I owned one and saw all the extensions and how to use them. Best utility receiver of all time, hands down. Man I'm grateful this exists.
Bruce KF7K https://kiwi.kf7k.com
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Shortwave listener activities
For me short wave listening has been a form of exploration, like a kid exploring the neighborhood, or later learning all the hiking trails in the close-by hills, or driving all the roads in a remote mining area of a desert. But with shortwave there are so many different signals as VE6JY mentions. The Kiwi's greatest advantage is making all those signals, or most of them, readable. Sitting back while a weather fax reveals itself, or watching the distance column of FT8 signals received, or using the SAM/USB/LSB options to pull in a hard-to-copy AM station, a Kiwi makes exploration doable, and fun. It's really fun for me to explore the shortwave bands on a Kiwi, the same way, I suppose, kids with a big tube radio in the living room explored the night-time AM bands in the 30's. I still do that, too.
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What are these downchirp transmissions ?
Looks like Citizens Band radios to me. There are a lot of truckers running big rigs with under-current power supplies that will do that. When the high-band propagation is good the 11m band (27MHz) is full of those "variable-frequency" transmitters. That the tuckers don't know their transmitters are doing that is the amazing thing.
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v1.821