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80m Limited Space Antenna
46ft multi band antenna for small gardens Works well on 80m An excellent DX performer ...

By G7FEK - Votes: 5 | Rating: 6

A simple 20-40 dipole
A simple to build full length 20 40 dipole antenna to be used in inverted ...

By EA4FRB - Votes: 3 | Rating: 5.67

The 4-Square Rx Vertical Array
A project for a 4 square vertical array receiving antenna

By IV3PRK
15m Four Square antenna
A 21 MHz Four Square Beam Antenna This popular antenna for the lower bands can ...

By G3NPC
40m Compact 4-Square Antenna
The EA5AVL 40M Compact 4 Square Antenna was designed to provide excellent DX communications on ...

By EA5AVL - Votes: 3 | Rating: 10
4 Square Antenna Experiences
Article on foru square antennas by Jack Schuster W1WEF and and Tom Frenaye K1KI appeared ...

By W1WEF

Magnetic Loop Antennas
A complete guide to magnetic loop antenna construction with analysis of multi turn and single ...

By ON4CEQ - Votes: 1 | Rating: 10

Hula Loop MW DX Antenna
An excellently presented article on the design and construction of a medium wave DX Antenna ...

By G4UCJ - Votes: 1 | Rating: 1

The Gamma Match
The gamma match was originally invented as a means of feeding vertical monopole antennas for ...

Votes: 2 | Rating: 4.5
An Examination of the Gamma Match
A Working analysis of the gamma match problem that gives useful practical results in a ...

By W3HEC

VHF UHF Coaxial Dipole Antenna
A base station antenna you can easily build for 146 220 or 440 MHz with ...

By W6NBC - Votes: 15 | Rating: 5.55

IARU R1 HF BandPlan - June 2016
A recommendation for all radio amateurs how to use the bands as revised at the ...

By IARU - Votes: 4 | Rating: 5.75

IARU R1 HF Managers Handbook
This is the eight edition of the HF Managers Handbook and contains changes agreed during ...

By IARU R1

A Look inside D-STAR Modulation
An overview on the D-Star modulation, Block diagram, GMSK and digital modulation

By K0NR

An Introduction to HF Propagation
This article is designed to be an introduction to the terms and basic mechanics of ...

By G4UCJ - Votes: 3 | Rating: 7

Elecraft KX2 Brochure
The official KX2 brochure from Elecraft The KX2 is a modern portable QRP HF transceiver ...

By Elecraft - Votes: 1 | Rating: 9

Icom IC703 10W Transceiver
The IC703 features a built in DSP filter and auto ATU as well as speech ...

By G3XBM - Votes: 3 | Rating: 10

Icom IC-2300H Modification
IC‐2300 MARS/CAP mod expanded frequency range 136‐174 MHz

By ICOM - Votes: 12 | Rating: 6.08

A 500 Watt HF Dummy Load and Power Meter
This project was published in the April 2004 issue of the Australian magazine Amateur Radio ...

By VK5JST - Votes: 2 | Rating: 9

A Modern Directional Power/SWR Meter
Every ham needs an RF power meter Here is a high performance unit to build ...

By W7IEQ - Votes: 2 | Rating: 5.5