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550 links

40m Magnetic Loop Antenna - CARC
A coaxial cable tuneable magnetic loop antenna for 7MHz This experimental antenna does not require ...

[ Hits: 3594 | Votes: 4 | Rating: 8.75 ]

Solid vs. Stranded wire in coils - PA1ARE
Skin effect and proximity effect on making coils with stranded wire An interesting comparison on ...

[ Hits: 775 | Votes: 1 | Rating: 1 ]

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 ]

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

[ Hits: 1246 | Votes: 1 | Rating: 1 ]

Basic Wire Antennas Part II - N4UFP
Presentation about wire antennas, focusing on Loops , inverted L and Verticals

[ Hits: 937 | Votes: 3 | Rating: 9 ]
Basic Wire Antennas Part I - N4UFP
A presentation of popular wire antenna models like Dipoles half size full size doble zepp ...

[ Hits: 1656 | Votes: 0 | Rating: 0 ]
Basic Inverted V Antenna
The Inverted Vee is the most popular antenna used by Ham Radio Operators because it ...

[ Hits: 1333 | Votes: 4 | Rating: 7.25 ]

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

[ Hits: 1035 | 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 ]

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 ]

AOR AR3000A User Manual - AOR
English user manual of the AOR AR3000A 100 kHz 2036 MHz receiver in FM N ...

[ Hits: 500 | Votes: 0 | Rating: 0 ]

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

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

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 ]

Understanding TV and Radio Interference - W1FB
Simple steps you can take to solve most problems caused by station equipment

[ Hits: 490 | Votes: 1 | Rating: 1 ]
144 Mhz Stop band TVI filters - LA8AK
A High pass filter will not help use a stop band filter to notch out ...

[ Hits: 727 | Votes: 1 | Rating: 2 ]