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Shortwave Radio Diversity Reception

shortwave radio diversity reception

Shortwave radio diversity reception provides a way to combine several fluctuating signals and get a solid result. It provided the foundation for most radio news received in America for years.  Read more

Solar Cycles – Enjoy those Sunspots

solar cycles

I was surprised to see tons of signals on the 15 meter ham band this weekend. Solar cycles effect how well radio signals propagate, and latest cycle has not been very good.  Read more

Ten Tec RX-320 Black Box Receiver

ten tec rx-320

The Ten Tec RX-320 was an unusual but pretty sweet radio. While at the other end of the spectrum from the HF-1000, it shared a similar architecture. Namely, an analog receiving chain followed by DSP. However, it had a radically different price point – about 92% lower! Read more

Watkins Johnson HF-1000 Premium Receiver

watkins johnson hf-1000

The first premium receiver that I ever got my hands on was the Watkins Johnson HF-1000. I was very fortunate because I had friend who bought one of these. He let me borrow it for a week so that I could write a driver for ERGO. Unfortunately, I had to give it back. Read more