ground indipendant

Vertical Antenna For 40- 80-160 Meters - The basic antenna is a vertical monopole, using elevated radials to complete the ground plane by k5oe

Ground Plane for 7 MHz - How to build a ground plane antenna for the 40 meters band in french

WA0WOX 6 meter Moxon Antenna - Built around a 1/2" pvc frame, Larry's 6 meter moxon antenna is made from #8 aluminum ground wire

Ground Plane antenna for 50 Mhz - A 5/8 vertical groundplane antenna for 50 mhz

80m full size 1/4 wave GPA - A ground plane antenna for 80 meters band

Online Antenna Calculator - Java script antenna calculators for ground planes, half wave verticals, quad antenna, 5/8th wave vertical antenna, dipole and inverted vee antennas

A 2 Meter phased array antenna - Phased array Ground Planes antennas for 144 Mhz

Errante's virtual ground balun - Errante's virtual ground Balun, a state-of-the-art high power HF balun family.

Transformer for Ground-Independent Receiving Antennas - Transformers theory and calculator of turns on binocular cores. Comparison with toroid cores.

Horizontal Half-wave Dipole above a Counterpoise - All antennas that are situated close to the ground are affected by that ground to some extent. This article explain effects and benefits of counterpoise.

Groundplane Antennas at Various Heights - Mounting on Roof or at Ground Level?

Why Radials ? - Butternut article on radials usage on vertical and ground plane antennas

Horizontal Antennas above Real Ground - Antennas are influenced by the effect of the ground and by the type of conductors from which they are constructed. Effects of various types of grounds on a 1.825 MHz horizontal 0.5 wave dipole

Earth Systems - In order to resonate at a particular frequency, an antenna needs to be at least one half wave length long. Antennas below a 1/2 wave are dependent on a ground system for resonance as well.

6 meters band Half Wave vertical - 1/2wave vertical antenna for the 6-meterband and a 5/8 ground plane antenna for 50 Mhz

10 meter homebrew vertical antenna - Homebrew a 5/8 wave ground plane antenna for 10 meter band. Interesting article with lots of pictures and homebrew details.

Hi-Line Utility Supply - Furnishing Quality Tools & Equipment For Construction and Maintenance of Above and Underground installations.

Real time satellite tracking  ^updated - Ground tracks are the trace of the satellite's path over the ground. Amsat, ISS, geosynchronous satellites, navigation satellites, weather satellites, Iridium satellites, visible Satellites. Requires Java

WXtrack - David taylor's weather satellite programs - orbit and ground track prediction

The Ground Wave - About ground wave, article by moonraker.com.aut

GME Supply Co - GME Supply Company is your complete source for communications infrastructures, antenna towers, antenna masts and mounts, antenna rotors, telescope towers, grounding.

Antenna Selector - This project was built to be able to experience with more of an antenna and also in turn to be able to have a system that offers security to the receivers, carrying out the discharge to ground of the antennas

Efficient ground system - Article shows how to develop a good external ground system to complete your station’s protection.

Amateur Radio Grounding to Protect Against Lightning - Protecting the ham radio stations, using a good ground system

Ligthning: Protecting Towers - An interconnected concrete tower base can help the tower ground system.