A quick listen to certain shortwave stations will tell you how well HF is going to work that day. Here’s my simple way of checking propagation.
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Tag: SWL
Commercial LZ1AQ Control Box 3D Printed
Love my 3D printer. This week, I used it to build my commercial LZ1AQ control box with PETG filament. Read more
Simple Cable Feed Through for Outside Antennas
Use your 3D printer to make a simple cable feed through for coaxial or Ethernet cable. Bring your antenna cables into the shack easily. Read more
Useful Coax Cable Adapters
If you are a radio nut like me, your junk box is probably full of useful coax cable adapters. Boy, these sure come in handy. Read more
Dual Wideband Loop Controller
I am almost ready to experiment with diversity reception. My latest project is a dual wideband loop controller which works well. Read more
Revised LZ1AQ Amplifier PCB Up and Running
Shortly after Christmas, I finally got around to building and mounting my revised LZ1AQ amplifier for a wideband loop. My previous PCB design contained less features and required an outboard cable connection. Read more
SWL Handbooks Remembered
SWL Handbooks provided me with a useful reference for broadcast schedules. Equipment reviews really got my attention, though. Read more
Best OpenWebRX Remote Receivers
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
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