ground plan

The ground image vertical antenna - A 20 meter quarter wave vertical antenna by jerry sevick W2FMI QST Article

NVI 40 Meter Antenna Modeling - The idea of using a low mount dipole, enhanced with reflector wires directly beneath the dipole, on the ground, appears to be a very good approach to creating an NVI specific antenna for local HF operation.

The Hudson antenna - A vertical antenna for 80 and 40 meters project with lots of assembling pictures and plan by LU9DPD in spanish

40 meter double bazooka antenna - A double bazooka antenna plan for the cw portion of the 40 meter band by k0ru

Quarter Wave GP Antenna Calculator - Amateur quarter wave ground plane antenna calculator

Feeding an End-Fed Antenna  ^pop - End-Fed antennas are NOT balanced systems; but neither are verticals, ground planes, discones, windoms, zepps, Marconis, half-slopers, et al. Additionally, the low-impedance antenna port of your transmitter/receiver is not balanced.

2 meters copper J-Pole - Plan and list of material needed for construction of a j-pole antenna for 144 mhz

KE4UYP One wavelenght loop antenna - A Loop antenna plan with a gain over one Dipole of 3DB or 5.15DBi

K5OE, Introduction To Amateur Satellite Ground Station Antennas - There are many kinds of satellite antennas that will get you on the birds and allow you to have lots of fun

Quarter Wave Verticals - One of the most useful antennas in the repertoire is the Marconi or quarter wave grounded vertical antenna. Its invention made it possible to halve the length of antennas, simplifying communications, especially at HF and below.

Antenna & Ground Help - Radials & Counterpoise

The Balcony Bender Antenna - Add ground planes to your Balcony Buddy

3 Element Yagi using Hamsticks - A 3 element minibeam yagi using hamstick for 20 meters band

European 135.7 - 137.8 kHz Band Plan - This is not an officially recognized band plan for the European LF allocation between 135.7 and 137.800 kHz. This plan just contains my own observations and shall help the newcomer to get some orientation on where to find what.

US Band Plan by ICOM - ICOM USA Amateur Radio HF VHF/UHF band plan updated to 2008, include a Common Country prefixes in PDF Format

VU2ACX blog - VU2ACX - A ham blog and personal site from India

Yuma Hamfest & Electronics Expo - Yuma County Fairgrounds, Yuma AZ. On site RV/camping facilities. Seminars, Exams, Tailgating.

AO-7 Logbook Site - Resource for those who are actively uses the Amateur Radio Satellite AO-7

PlanePlotter - PlanePlotter receives and decodes live digital position reports from aircraft and plots them on a chart. Using PlanePlotter, you can see a radar-like display of all those aircraft around you that are transmitting the appropriate digital messages including ACARS, ADS-B and HFDL.

Ameritron AL-1200 to gs35b Conversion - The Ameritron AL-1200 Amplifier is in current production. In its factory configuration it uses a single 3CX1200A7 (triode) tube, grounded grid configuration. Re-tubing the AL-1200 with a GS-35b with success.

W2DTC Homebew RF Amplifier - Grounded grid, Cathode driven, 3CX3000F7 Triodes

Grounded Grid Amplifier - Picture of a power amplifier, made using of GI-7B triodes by Bob Briggs, VK3ZL

The Ufer ground system - A new look at the Ufer ground system by Chris Scott

Atlas of Ground Conductivity - The ITU-R World Atlas of Ground Conductivity in PDF

Safe,effective grounding - Practical applications for end-fed antenna transformers and safe, effective grounding