HAM Radio site Blog

Rhombic Antenna 1

Rhombic Antenna, 30m-6m

Rhombics are high gain directive wire antennas. A rhombic is shaped like a diamond, if you’re looking down on it. I.e., there are 4 ‘legs’, 2 end ‘points’, and 2 side ‘corners’. This one...

Antenna 0

2 Meter Antennas. Mechanical part.

See the “Tilt Tower” page for more about the tower where this antenna is mounted. We live in kind of a ham-radio “void”. There’s almost no hams living around here, no hamfests around here,...

Tilt Tower 0

A 40′ Tilt-Tower for VHF Beams

This is the first tower I built. After moving here, the idea occurred to me that trees can save a lot of money and work when it comes to towers. Trees are already firmly...

FM Broadcast Antennas 0

FM Broadcast Antennas

At my old crib, I could get what was probably the best radio show I’ve ever heard, in any genre. This was a heavy-metal radio show by Earl Root. 1am to 6am Saturday night,...

Tower 0

A 60′ Tree-Tower for HF Wire Antennas

I put up the first version of this tower in October; made completely out of lumber glued and screwed into structural T-sections. But it fell down…. Actually, it worked fine for a few months,...

Roberts R200 0

Roberts R200. Review.

The Roberts R200 and R300 date from 1960 to 1964 and exist in several versions. They are popular models because of their style. There are fairly identical looking modern Roberts radios, featuring FM and...

AMPRNet – Lessons learned, things to consider 0

AMPRNet – Lessons learned, things to consider

1. Don’t rely upon 44 Net/AMPRNet for connectivity. It’s no substitute for building out your local RF links or at least independent internet links. It’s simply too unpredictable long term and a major SPF...