My homebrew antenna switch port isolation is decent, but not great. But too much RFI is being fed though the outputs. Read more
Tag: SDR
SDR Antenna Switch Up and Running
My remote control SDR antenna switch is up and running. Now, I can switch SDR and antennas by remote control. Read more
Dual Channel Antenna Switch with Relays
My homebrew dual channel antenna switch is up and running. It let’s be switch pairs of antennas to a bunch of two channel diversity receivers. Read more
Homebrew Radio Switching Board
I am moving a large part of my shack to a wall mounted radio switching board. My goal is complete remote relay switching of antennas for my diversity receivers and loop array. Read more
Modern Diversity Reception at BayCon 2022
Earlier this month, I made a detailed presentation about Modern Diversity Reception at BayCon 2020, an online ham conference. Watch the video! Read more
Wideband Loop Array Performance Review One Year In
It’s been just over one year since my wideband loop array went into operation. I thought it time for a candid loop array performance review. Here goes. Read more
Wideband Loop Signal Chains with Software Defined Radio
You need to understand your wideband loop signal chains and their limitations. Then, you can get the most performance out of your radio investment. Read more
Diversity Reception Primer – Improving Radio Reception
It started nearly a century ago, with efforts to reduce the effects of multipath fading. Here’s the complete diversity reception primer. Read more
Early ANAN Receiver Highlights
So, I have been using my ANAN-7000DLE MKII software defined radio for just over a month. Here is a mini-review of early ANAN receiver highlights. Read more
Sound Card Oscilloscope for SDR
You can use a sound card oscilloscope for many things. My favorite use is to study noise and interference signatures on the shortwave radio spectrum. Read more