Strong local broadcasters can create medium wave overload which causes problems for shortwave reception on higher frequencies. Read more
Tag: hamr
SDR Antenna Patch Bay
Here’s a neat little project for those of you who like using a 3D printer to compliment your radio hobby. It’s an SDR antenna patch bay. Read more
Dual Antenna Spatial Filtering Really Works
Enjoy RSPduo Dual Channel Receiver
Time for me to enjoy the RSPduo dual channel receiver, especially with wideband loop antennas and diversity reception here in western Canada. Let my journey begin! Read more
My Life Through Solar Cycles
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
Understanding PCB Flatness – Essential for Milling
With a height map, your CNC should easily compensate depth of cut for variations in PCB flatness. Take a look at how this works. Read more
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
Read On The Air Magazine
Becky and her team have done a great job researching ham interests, then developing and publishing On The Air magazine from the ARRL. Read more
ARRL Membership Value Proposition Increases
Check our the new ARRL membership value proposition. You can get their four leading magazines for the price of one! Well done. Read more