Antenna etc. Click on the picture for enlarge and more info.
The helical antenna is defined, a tutorial of helix antennas is presented.
S9 Antenna, S9v43 Vertical Antenna
This Tower was shorter It was Made to put on a roof I made it taller to set on the ground
Loop antenna
The Cloverleaf Antenna The Cloverleaf antenna was brought to the FPV community by IBCrazy. Thank you for making...
AF6SA Projects
HF antenna
Experiments and modelling of coaxial dipoles
A discone antenna is a version of a biconical antenna in which one of the cones is replaced by a disc. It is usually mounted vertically, with the di
Scanner Antenna: This is a simple but sensitive Home Made J-Pole Antenna that works great when You are limited as to a place to mount an external antenna !What You Will need: 1( 48 1/4 " twin lead wire2( Measuring tape3( Exacto knife or similar cutting tool4( electr…
Homemade TV Antenna: This TV antenna is not only omnidirectional, but also compatible with the new digital television. I actually get more stations with the new digital television signals than the old system. I get 35 channels and I an a long way from any large city. So…
Build the venerable Hoverman TV antenna and watch digital broadcast high definition HDTV television this weekend. This version of a HDTV antenna uses amateur radio antenna building techniques to make a lightweight structure.
Butterfly or Bowtie Antenna or Batwing Antenna Designer. A large bandwidth of 33% make this an ideal choice for experimenting.
dbBear.com software development and amateur radio information
Learn how to locate the TV transmitters serving your area and how to choose the right antenna for receiving over-the-air broadcasts.
I’m gonna take a confusing subject and hopefully demystify it. Antenna Gain is a popular subject amongst hams. We talk about gain all the time, we’ll compare antenna systems and apply values to as how impressive they are by their gain figures. But what exactly is antenna gain, and what do those numbers mean to […]