4 meter

856 links - and 11 categories

KE4UYP Linear loaded vertical antenna
This is a vertically and horizontally polarized antenna the Linear loaded 1 4 wave length ...

[ Hits: 13800 | Votes: 18 | Rating: 6.71 ]

2 Meter 10 Element Quagi Antenna
This antenna was designed by N6JSX Kuby for Transmitter hiding Fitting the requirements of directionality ...

[ Hits: 15660 | Votes: 32 | Rating: 7.06 ]
Quagi and Yagi on 2 Meters - W4RNL
Designing quagi and yagi antennas on 2 Meters some preliminary notes by Cebik W4RNL ...

[ Hits: 4163 | Votes: 4 | Rating: 3.25 ]
Build a 2 Meter 5/4 Wave Antenna - N1HFX ^pop
This antenna is unique in that it is enclosed entirely in 3/4" PVC

[ Hits: 37161 | Votes: 24 | Rating: 5.91 ]

K4TX Delta Loop for 40 Meters - K4TX
40 Meter 2 Element Parasitic Delta Loop wire antenna with pictures of delta loop assembling ...

[ Hits: 7081 | Votes: 13 | Rating: 7.54 ]

Shorty Forty Antenna
Short dipole antenna for 40 meter ham band Can be put up in the space ...

[ Hits: 12445 | Votes: 8 | Rating: 7.74 ]

W7AV 40 Meter Half Square
These antennas offer big gun DX performance on the low bands yet they are surprisingly ...

[ Hits: 4049 | Votes: 4 | Rating: 6.25 ]
40 M. triangular full wave vertical loop - W5DXP
A 40 meters band full wave antenna project plan with model adding the Missing Leg ...

[ Hits: 13292 | Votes: 11 | Rating: 7.08 ]

Six Meter Wavelength Band Antennas
Why 6 meter hams design the best antennas

[ Hits: 2673 | Votes: 4 | Rating: 8.25 ]

K5UA 40 meter Phased Array
The intent of this site to share information about the design of a 40 meter ...

[ Hits: 3415 | Votes: 5 | Rating: 7 ]

W1CG Low Power Balun Kit
Contruction manual to build a 4 1 balun it has good performance from 160 through ...

[ Hits: 4373 | Votes: 4 | Rating: 7 ]

20m QRP Dipole
Instructions to build a portable dipole for 20 meters

[ Hits: 16723 | Votes: 6 | Rating: 9.17 ]

Installation of a Utility Pole
There are many ways to support an amateur radio antenna Installatio of a utility pole ...

[ Hits: 6498 | Votes: 9 | Rating: 7.56 ]

A 5 band log periodic dipole array
Modified version of the Telerana antenna which was orginially featured in the July 1979 issue ...

[ Hits: 10005 | Votes: 12 | Rating: 6.59 ]

Loop Antenna Design
Full wave loops are very popular antennas They are especially useful on 80 and 40 ...

[ Hits: 2296 | Votes: 1 | Rating: 10 ]

LU9DPD Windom dipole
A multiband windom dipole antenna for 80 40 20 10 meters feeded with a home ...

[ Hits: 5342 | Votes: 5 | Rating: 6 ]

IZ1GJH/B 10 meter beacon
Active on 28.321,47 MHz in CW and Qrss3

[ Hits: 295 | Votes: 0 | Rating: 0 ]

ZeroFive Antennas
Vertical antennas for all HF bands, expecially 80 40 20 meters bands

[ Hits: 7084 | Votes: 40 | Rating: 9.24 ]

5 Watt 40 Meters transmitter
This circuit is unique in that it uses a power mosfet as a final rather ...

[ Hits: 8446 | Votes: 7 | Rating: 5.29 ]

HF to 2 meters transverter
F5RDH project of a transverter that can receive input in HF and convert output to ...

[ Hits: 2749 | Votes: 3 | Rating: 1 ]