Archive for February, 2010

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.