11element plan

Multiband trap dipole - A multiband 20/40/75/160 trap dipole antenna plan by KG0WX

20m 3-Element Yagi Plans - Plans for building your own 3-element beam for use on 20m at DX Engineering

2 meter jpole antenna - A two meters J-Pole antenna project

146MHz 5/8 Ground Plane Antenna - 146MHz 5/8 ground plane tower mounted antenna. The antenna was largely based information and analysis provided by the RSGB's. VHF UHF Manual, fourth edition by G.R.Jessop, G6JP

Ground Plane Antenna for 70 cm - It is easy to homebrew this quarter wave ground plane antenna for 70cm.

Aerial Calculations - G4URH calculations to design your own antennas, ground plane, half wave antennas, Quad Antennas and 5/8 verticals

G3WZT Phased Verticals - Vertical phased antenna systems plans by G3WZT

2 Meter Turnstile Antenna - Here are construction plans of a Turnstile antenna that I use for space communication on the 2 meter amateur radio band.

Double Quad ATV antenna - A 13 and 23 cm double Quad antenna plan and pictures for ATV

Quarter wave vertical antenna - About the basics of the quarter wave vertical and ground plane antennas that ares widely used for medium wave broadcasting, mobile radio communications applications and many more.

Build Windom Antennas - This article by EA4FSI explain how to plan and build your own windom antenna

PJ7E DX Pedition - PJ7E Sint Maarten 10 10 2010, will operate six stations 24 hours a day for 10 days, starting on 10-10-10. Band Plan includes 6M to 160M on CW, SSB, and RTTY.

DX Newsletter (DXNL) - The DARC DX Newsletter (aka DX-Mitteilungsblatt) is an important source of information for the active DXer. It is published on a weekly basis in German and English and keeps the readers up to date about current and planned DX activities.

IARU Bandplans - IARU Regional bandplans

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

Belgian UHF VHF Band Plan - VHF UHF Bandplan from UBA Belgium

Six meter Band Plan IARU Reg 1 - 50 MHz IARU Region 1 bandplan

Plano Amateur Radio Klub - Plano Amateur Radio Klub

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

Cloud RF - Web VHF/UHF planning - Web based VHF-UHF RF planning powered by SPLAT! and Google Maps. Access via website, Android App or dynamic Google Earth interface.

Cloud RF for Android - SPLAT! VHF-UHF planning on Android

Portable Lightplants and Generators - NS8O portable generators

NiCad battery charger plan - SV1BSX project for a Nicad battery charger

Spectral Analysis of a CW keying pulse - Key clicks mathematical explanation by W9CF

QRP Tuner Plan - A Simple and Flexible Tuner for QRP Craig LaBarge, WB3GCK