Only a few of the many remote receivers on SDR.HU have great performance (low noise). Check out my list of best OpenWebRX Remote Receivers. Read more
Tag: SWL
CIDX Newsletter – 1960’s Gestetner Memories
Today, your club newsletter is a PDF or web page. Back in the 1960’s, we made them using a Gestetner. It took hours to produce and print. Read more
TDoA Direction Finding using KiwiSDR
With a network of 400 software defined receivers in your browser, you can easily do TDoA Direction Finding on signals across low, medium and high frequencies. Here’s how. Read more
630 meters Ham Radio – Old is New, Again
One of the interesting things you can do with a wideband loop antenna is listen to 630 meters ham radio activity. So, what the heck is 630 meters? Read more
WSPR Propagation Reports Worldwide
WSPR propagation reports are really useful in checking ionospheric activity. Get started by using WSPR on OpenWebRX internet connected monitoring stations. Read more
Tree Aerial – Another Liquid Antenna
The tree aerial has been around for a century. Does it work? Perhaps, but mainly so in the jungle. Read more
Saltwater Antenna Covers HF and Upwards
Saltwater might be 4 million times less conductive than copper. And yet, a saltwater antenna works, even at HF. Amazing! Read more
VA6OK Remote Wideband Loop – My Benchmark
If you want a sense of how well magnetic antennas can perform, check out the VA6OK remote wideband loop for yourself. It’s one click away.
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SDR Console Version 3.0.13 Improvements
SDR Console Version 3.0.13 brings some neat improvements, especially in signal strength and SNR meters. Check it out yourself. Read more
Loop Prototype Learnings during Summer
My loop prototype learnings this summer are mainly about waterproofing and reducing intermittent performance. It’s time to move on to the final build. Read more