Ham Help Desk

The ARRL EmComm Handbook is packed with good things, but get’s off to a troubling start with its very first sentence.

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.

Running a fan on low voltage can keep your power supply much cooler without making a lot of noise.