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368 links

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

[ Hits: 586 | 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 ]

Corrosion in a marine installation - Moonraker
We all understand the importance of corrosion protection especially in harsh marine environments This article ...

[ Hits: 400 | Votes: 3 | Rating: 3.67 ]

Antenna Gain - Moonraker Antennas
We all think we know about it we all think we need it but what ...

[ Hits: 464 | Votes: 0 | Rating: 0 ]

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 ]

Some Useful ZS6BKW Modifications - W5DXP
The ZS6BKW antenna evolved from an optimization of the G5RV antenna The SWR on 80m ...

[ Hits: 1038 | Votes: 3 | Rating: 4 ]

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: 1295 | Votes: 0 | Rating: 0 ]

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

[ Hits: 1125 | Votes: 3 | Rating: 7 ]

TW4040 Manual - TransWorld Antennas
PDF manual of the TW4040 The Adventurer MonobanderTM TransWorld Antennas

[ Hits: 633 | Votes: 0 | Rating: 0 ]
TW2010L Manual - Trans World Antennas
TW2010L The Adventurer Lite TransWorld Antennas instruction manual PDF file

[ Hits: 462 | Votes: 2 | Rating: 5 ]

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 ]

Yaesu VX-8GR Trail Reference Card - Yaesu
The Yaesu VX-8 quick reference card, in PDF format

[ Hits: 665 | Votes: 0 | Rating: 0 ]

Yaesu FT-8800R Operating Manual - Yaesu
PDF file of the Yaesu FT-8800R Operating Manual in english

[ Hits: 415 | Votes: 1 | Rating: 10 ]

ATV Handbook - G3YQC
A 20 page PDF Handbook about Amateur Television by G3YQC and G8CJS published by The ...

[ Hits: 473 | Votes: 1 | Rating: 1 ]

Autonomous Satellite Tracker - Elwood Downey, WB0OEW
This two axis tracker tracks satellites with high accuracy entirely by reference to built in ...

[ Hits: 1717 | Votes: 6 | Rating: 8.5 ]