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...
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...
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,...
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...
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,...
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,...
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...
The updated calculator of Kharchenko Antenna. The antenna is modeled in MMANA program and optimized for Wi-Fi and 3G bands. MAA-model of the ZigZag antenna can be downloaded from our website. The wire in...
When disaster strikes, you want to be able to communicate by both receiving and distributing information to others. You may need to call 9-1-1 for assistance, locate friends or family, or let loved ones...
Yesterday I received my Raspberry Pi. After some testing I decided to try if it was possible to install a webserver on the pi. The answer is yes! I chose nginx because of its...
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...
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