BOB, the battery operated “beacon” for APRS
I built a prototype APRS beacon, dubbed Thor Hammer (big), to test back-packable APRS 2m beacon concepts.
Laird
Laird mobile antenna mounts.
Not all mobile antennas are the same
Mobile antennas have been around for decades, but assuming they perform the same is, sadly, a poor assumption as this comparison of Laird and Larsen VHF NMO EFHW aerials reveals.
NMO Through-Hole Mobile Antenna Installation
Highlights from the installation of a 3/8 inch NMO permanent mount into a 1998 Ford Taurus rooftop.
Laird NMO Mobile Antenna Mounts
Two NMO through-hole antenna mount parts, the Laird MBO and MABO, were prototyped to help down select the choice of 3/8″ or 3/4″ hole. The opinions of engineers, machinists and others were obtained.
NMO Mobile Antenna Mount Options
It’s time to replace my mag mount antenna and go “through hole” with my Mobile Antenna. NMO seems to be the way to go. Reviewed are some candidates from brand name to no name.