j antenna

1384 links - and 21 categories

160 m broad banded coax inverted L antenna - W4HM
Based on a W4TWW project and modified by KN4LF

[ Hits: 4990 | Votes: 4 | Rating: 1.75 ]

The ground image vertical antenna
A 20 meter quarter wave vertical antenna by jerry sevick W2FMI QST Article

[ Hits: 5927 | Votes: 4 | Rating: 7.25 ]

Portable Dipole Antenna for 7 MHz - dj9rb
A simple portable dipole antenna for the 40 meter band using a total lenght of ...

[ Hits: 324 | Votes: 2 | Rating: 7.5 ]

Quadrifilar helicoidal calculator
Calculate design for a quadrifilar helicoidal antenna

[ Hits: 2117 | Votes: 8 | Rating: 6.75 ]
Dipole Calculator in JavaScript
Input the desired resonant frequency and it will calculate lenght in inches feet and meters ...

[ Hits: 4720 | Votes: 20 | Rating: 6 ]
A Simple 7 element Yagi calculator ^pop
A JavaScript to calculate the dimensions for a seven element Yagi-Uda Antenna

[ Hits: 26399 | Votes: 414 | Rating: 6.39 ]
Antenna Trap Calculator
Design your own antenna trap online

[ Hits: 22553 | Votes: 124 | Rating: 4.79 ]

Dualband EH Antenna
A detailed project of a dual band EH antenna by F5IXU in french

[ Hits: 3191 | Votes: 1 | Rating: 1 ]

J Pole Antenna
Dual Band (2 Meter/70 cm) Solid Aluminum J-Pole

[ Hits: 4902 | Votes: 8 | Rating: 6.62 ]

WARC 24 18 - 3 element Yagi Antenna
An old project by I1VCF for a 3 element yagi antenna originally designed for 10 ...

[ Hits: 2062 | Votes: 2 | Rating: 2 ]
160m to 10m Sterba Curtain Antenna
Even if using a tuner this multiband antenna will let you operate from 160 to ...

[ Hits: 10359 | Votes: 7 | Rating: 6.57 ]
JJ6 Antenna
Beam antenna for 14-18-21-24-28-50 Mhz by G4ZU in french

[ Hits: 1557 | Votes: 2 | Rating: 1 ]

7 elements cross yagi antenna
A 7 elem. crossyagi the coppyright lies with PD0JMC and PA3HMP.

[ Hits: 3949 | Votes: 10 | Rating: 6.5 ]

G4AYM - Slim Jim Antenna
A Sim Jim Antenna based on 300 ohm ribbon cable.

[ Hits: 788 | Votes: 0 | Rating: 0 ]

Importance of noise reduction in wires antennas
An old post by John Doty about effects of noise in longwire antenna.

[ Hits: 1666 | Votes: 0 | Rating: 0 ]

Ham Radio Tower at N0HR
Ham Radio Tower Project at N0HR Includes site plan escavation tower construction HF antennas grounding ...

[ Hits: 2962 | Votes: 2 | Rating: 8 ]

QRPproject
QRP and Homebrew HAM Radio by DL2FI and DL7NIK QRP Made in Germany and more ...

[ Hits: 10714 | Votes: 11 | Rating: 6.64 ]

Antenna lookangles calculations
A javascript satellite antenna look angles calculator

[ Hits: 3199 | Votes: 8 | Rating: 4.5 ]

Long Range Wi-Fi - Phil C.
Long range Wi Fi antennas you can build Helicals parabolics and biquads discussed How to ...

[ Hits: 11005 | Votes: 10 | Rating: 6.3 ]

IBP - Beacon Monitor
Linux program that helps one with monitoring the beacons of the International Beacon Project by ...

[ Hits: 1494 | Votes: 2 | Rating: 5.5 ]