As I approach 70, it’s time to look back at my radio life through solar cycles. I have enjoyed my hobby through five cycles, and hope to get a bit of joy from the sixth. Read more
Tag: SWL
Arrange SDR Receivers – New Radio Shack Ideas
At some point, you may want to arrange SDR receivers for easy antenna switching. Here’s how I accomplished this with my SDR radios and active antenna controllers. Read more
High Pass Filter Board – Isolation Milling
Milling a high pass filter board with your desktop CNC is a good beginner’s project. Here is how I made mine. Read more
Checking Propagation from All India Radio in Bangalore
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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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