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80m Limited Space Antenna - G7FEK
46ft multi band antenna for small gardens Works well on 80m An excellent DX performer ...

[ Hits: 4147 | Votes: 5 | Rating: 6 ]

A simple 20-40 dipole - EA4FRB
A simple to build full length 20 40 dipole antenna to be used in inverted ...

[ Hits: 993 | Votes: 3 | Rating: 5.67 ]

The 4-Square Rx Vertical Array - IV3PRK
A project for a 4 square vertical array receiving antenna

[ Hits: 586 | Votes: 0 | Rating: 0 ]
15m Four Square antenna - G3NPC
A 21 MHz Four Square Beam Antenna This popular antenna for the lower bands can ...

[ Hits: 1365 | Votes: 0 | Rating: 0 ]
40m Compact 4-Square Antenna - EA5AVL
The EA5AVL 40M Compact 4 Square Antenna was designed to provide excellent DX communications on ...

[ Hits: 1133 | Votes: 3 | Rating: 10 ]
4 Square Antenna Experiences - W1WEF
Article on foru square antennas by Jack Schuster W1WEF and and Tom Frenaye K1KI appeared ...

[ Hits: 902 | Votes: 0 | Rating: 0 ]

Magnetic Loop Antennas - ON4CEQ
A complete guide to magnetic loop antenna construction with analysis of multi turn and single ...

[ Hits: 1253 | Votes: 1 | Rating: 10 ]

Hula Loop MW DX Antenna - G4UCJ
An excellently presented article on the design and construction of a medium wave DX Antenna ...

[ Hits: 1247 | Votes: 1 | Rating: 1 ]

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

[ Hits: 960 | Votes: 2 | Rating: 4.5 ]
An Examination of the Gamma Match - W3HEC
A Working analysis of the gamma match problem that gives useful practical results in a ...

[ Hits: 1662 | Votes: 0 | Rating: 0 ]

VHF UHF Coaxial Dipole Antenna - W6NBC
A base station antenna you can easily build for 146 220 or 440 MHz with ...

[ Hits: 2940 | Votes: 15 | Rating: 5.55 ]

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

[ Hits: 1251 | Votes: 4 | Rating: 5.75 ]

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

[ Hits: 377 | Votes: 0 | Rating: 0 ]

A Look inside D-STAR Modulation - K0NR
An overview on the D-Star modulation, Block diagram, GMSK and digital modulation

[ Hits: 1294 | Votes: 0 | Rating: 0 ]

Pedestrian Portable HF DXing - G3XBM
An interesting article on pedestrian portable HF DXing

[ Hits: 482 | Votes: 1 | Rating: 1 ]

An Introduction to HF Propagation - G4UCJ
This article is designed to be an introduction to the terms and basic mechanics of ...

[ Hits: 1124 | Votes: 3 | Rating: 7 ]

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

[ Hits: 594 | Votes: 1 | Rating: 9 ]

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

[ Hits: 2085 | Votes: 12 | Rating: 6.08 ]

A 500 Watt HF Dummy Load and Power Meter - VK5JST
This project was published in the April 2004 issue of the Australian magazine Amateur Radio ...

[ Hits: 2025 | Votes: 2 | Rating: 9 ]

A Modern Directional Power/SWR Meter - W7IEQ
Every ham needs an RF power meter Here is a high performance unit to build ...

[ Hits: 1572 | Votes: 2 | Rating: 5.5 ]