ground plan

KG4JJH Moxon Antennas - A Moxon rectangle antenna projects for the 6 10 15 17 and 20 meter band but include drawings, plans, statistics and homebrewing statistics.

20 Meter Ground Plane Vertical Antenna - This is a ground plane antenna for 20 meters with an imput impedance of 50 ohms

40 Meter Delta Loop - Vertical height of the loop antenna itself is 34 feet 3 inches resulting with the bottom 60 feet 9 inches above ground project by K9IMM

Vertical antenna for 50 MHz - 5/8 vertical groundplane antenna for six meters band

EWE rx antenna for 80 meters - The antenna is an aperiodic inverted U which is operated against ground.. ewe antenna for 80 meters by PA0RCT

Hentenna by IW3HZX - Hentenna plans and pictutes for HF and VHF UHF Bands in italian by IW3HZX

Copper Pipe J-Pole Antenna - A fixed j-pole antenna plan for 144 MHz and 430 MHz

G4RV Antenna - An 80 to 10 meters multibad wire antenna plan by Maidstone Amateur Radio Society

EWE Shortwave Antenna - What is an EWE Antenna, comparisons, performance and homebrew plan

The EWE Antenna - EWE Antenna plan with a 9:1 balun

QEX Ground System Experiments - N6LF series of experiments on ground systems for vertical antennas. That series of reports was converted, with some modifications, into a series fo seven articles in QEX magazine.

Antenna Efficiency - K0BG article con antenna efficiency covering topics like radiation resistance, coil losses and ground losses, other kind of losses. How calculate efficiency and Bandwidth Notes

The Optimum 6 Element Yagi-Antenna - A 70cm and 2m 6 elements yagi antenna plan based on the IEEE Transactions on Antennas and Propagation

Unloaded vertical as a multi-band HF antenna - Performance of an unloaded ground mounted vertical as a multi-band HF antenna.

A92IO Bahrain - A92IO is now operational from Sar, Northern Region, Kingdom of Bahrain, LL56fe. Plans are to operate from Bahrain till at least August 2011.

USA Amateur Radio HF Band Plan - PDF with USA Amateur radio HF band plan and common country prefixes updated in 2008 by Icom

International 70 MHz allocations - The Four Metres website offer a global overview graph of the four meter band plans world wide

GB Antennas and Towers - Dutch Antenna and Tower Manufacturers from Slimline Square Triangular Round Towers. Antennas production include Yagi Monoband/Dipole/HF Quad /50MHz and 70MHz Yagi-Quad, VHF-UHF yagi-Quad and Comby antennas VHF/UHF/SHF

Tilt Plate NN4ZZ - The TiltPlate is an antenna tilting mechanism that works with a tilt over tower and yagi to bring the antenna all the way down to ground level.

PSK31 Fundamentals and Setup - Background: The PSK31 philosophy, The QPSK mode, Varicode, Sound Card DSP Setup and Operating Tips

NOAA Kp Index Monitor - The Estimated 3-hour Planetary Kp-index plot

Cushcraft R5 picture - Picture of a Cushcraft R5 about 10 feet above the ground.

Portable Lightplants and Generators - NS8O portable generators

Station Grounding - Will we ever be able to dispel the myths? Steve Katz, WB2WIK/6

OZ2CPU digital wattmeter - Plans and hex code for an RF wattmeter based on an Analog Devices AD8307 log amplifier.