You should test your cables regularly. Some may go bad, especially cheap or older ones, with poor connectors or breaks. Read more
Tag: hamradio
Antenna Switch Adventures – Looking Forward
My antenna switch adventures have provided a valuable learning opportunity. Especially to reduce noise in RF circuits under Arduino control. Read more
Sainsmart Relay Antenna Switch Disappointment
Well, it’s time for me to declare my DIY antenna switch disappointment. I can’t get rid of the noise n matter what I do. Read more
Using Your Antenna Multicoupler with Several Receivers
My 8 channel antenna multicoupler, receive only, is back in use and performs magnificently for receive use. Read more
Using Loop Array with a Single Channel Receiver
So how do you use a wideband loop array with a single channel receiver? With a receive antenna phasing controller, of course. Read more
Tracking Down Antenna Switch RFI Ingress
Well, it’s settled. I have a major antenna switch RFI ingress problem. As much as 30 dB on some frequencies. Sigh. Read more
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
Active Antenna Amplifier Relay Control
Wideband loop amplifiers are easily automated with active antenna amplifier relay control, all for a few dollars. 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
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