ARRL Emergency Communications Handbook – First Look
The ARRL EmComm Handbook is packed with good things, but get’s off to a troubling start with its very first sentence.
Fancy battery posts are not always better
Fancy Pimp-My-Ride battery terminals have their place, but don’t necessarily work better than standard lead battery post terminals when trying to add power wires to your vehicle’s battery.
Half Voltage Fan Cools Power Supply with Less Noise
Running a fan on low voltage can keep your power supply much cooler without making a lot of noise.
Hex Beam Aluminum Hub by DXE
The birth of a new hex beam antenna, starting with the DX Engineering HEXX aluminum hub.
EmComm, Phone Patch, Haiti – Right On!
YouTube helps to document helpful Haiti EmComm.
5 HF Band Hex Beam on Six Meters
Can the 10-20 meter five band HF G3TXQ broadband hex beam be used on 6 meters as is?
Haiti Amateur Radio Assistance
The Haiti disaster will highlight the ability of amateur radio to provide useful help.
SO2R Antenna Band Multiplexing
The Six by Two SO2R Antenna Matrix Switch
SO2R Antenna Band Filtering
Band-pass filtering is a very good idea for SO2R.
Single Operator 2 Radio SO2R
Single Operator Two Radio (SO2R) – a technical discussion.
