Saltwater might be 4 million times less conductive than copper. And yet, a saltwater antenna works, even at HF. Amazing! Read more
Tag: SWL
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
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
Sound Card Radio – Our First ADC
Recently, Guy Atkins mentioned his first software defined radio receiver, the FlexRadio SDR-1000. In particular, he mused about trying to get this gear to work with different PC sound cards. Read more
Guy Atkins Perseus Recollections
Guy Atkins Perseus activities became well known to the DX community in 2008. Recently, I asked Guy to provide some recollections about this wonderful receiver. Read more