Category Archives: Technology

Surprise Radio: RTL-SDR Blog V4 SDR

Posted on February 4, 2025 by Kevin

See warning at the end of the post. I’ve had an RTL-SDR Blog V3 SDR for a few years, but I haven’t blogged much about it beyond the article on SSB. In the intervening years, RTL-SDR Blog has come out … Continue reading →

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Killing the Noise

Posted on February 1, 2025 by Kevin

I believe, and I think most other shortwave listeners would agree, that the biggest problem facing our hobby today is noise, radio frequency interference (RFI) from other electronic devices. Long Rambling Preface Just sitting here typing on my wireless electronic … Continue reading →

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Zhiwhis ZWS-2415: Just Curious

Posted on January 27, 2025 by Kevin

I like puzzles, one of which is figuring out where radios come from. The ZWS-2415 got its FCC Type Acceptance under model HD-2415 by a Chinese company called Shenzhen Huedeli Electronics Co., Ltd.  The company’s website says they make weather … Continue reading →

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Zhiwhis ZWS-2415: On Shortwave

Posted on January 27, 2025 by Kevin

The Zhiwhis ZWS-2415 is shipped with a 3-meter clip-on wire antenna, so that’s how I did my initial test today. I went up to the local pickleball court where there is a convenient picnic table and set up the wire … Continue reading →

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Zhiwhis ZWS-2415: First Impressions

Posted on January 26, 2025 by Kevin

Unboxing It comes in a nice box with outstanding padding. Here are the photos and some initial comments.

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Incoming Radio! Zhiwhis ZWS-2415

Posted on January 25, 2025 by Kevin

But, but, but, I thought that unpronounceable green thing was the incoming radio (Incoming Radio: Sttfaishen S10). It didn’t work out. Not only was the product description wrong (color and size), it just didn’t work well on weather band. So … Continue reading →

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Snake Bit by Emergency Radios

Posted on January 24, 2025 by Kevin

Some of this comes from old memories, but I think it’s fairly accurate. Kaito Back in the day I bought a nice emergency radio, a Kaito KA-600. It had many features, including LW, MW, FM, SW and weather bands. It … Continue reading →

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