Antenna Guides

Grounding a ham radio antenna safely means bonding the mast or tower, the antenna, the coax shield and your station equipment into one system … Read more

You measure SWR with a cheap antenna analyzer by setting the sweep range first, calibrating with the open, short and load standards, then connecting … Read more

A simple HF wire dipole antenna is one continuous length of insulated copper wire cut to roughly a half wavelength and fed at its … Read more

Learning how to measure RF exposure for your station comes down to two jobs, and hams usually need both. The first is the paper … Read more

Because a handheld radio’s rubber duck is tuned to work against the radio chassis and your own body as its ground plane, and a … Read more

An RF exposure evaluation is a calculation. You work out the RF power density your station produces at the closest place a person can … Read more

If you want to know how to find out if you need a permit for an antenna, work through four separate layers: federal notification, … Read more