directional

121 links - and 1 categories

Big Wheel Antenna for VHF - IZ0UPS
An omnidirectional horizontal polarization antenna for 2 meters band in Italian

[ Hits: 188 | Votes: 2 | Rating: 7.5 ]
VHF Bi-Square Beam Antenna - KG4ZNC
2 Wavelength 2 Meter Bi Square Beam 5dbd gain This antennas are very cheeap to ...

[ Hits: 188 | Votes: 2 | Rating: 9 ]
Two elements Telescopic Yagi for 2 Meters - VK1AD
A lightweight PVC hand held telescopic 2 element 2m 145 MHz yagi using two pairs ...

[ Hits: 162 | Votes: 0 | Rating: 0 ]

Halo and Stub antenna for 50MHz and 70MHz - G8JNJ
Omni directional mixed polarisation antenna for 50MHz 70MHz This is a simple Halo and Stub ...

[ Hits: 137 | Votes: 1 | Rating: 9 ]
50 MHz Omnidirectional antenna - PE1ITR
Horizontal polarized omni directional 50MHz Antenna This antenna is intented to use in a contest ...

[ Hits: 316 | Votes: 6 | Rating: 2.5 ]

Coaxial Collinear Antenna for 70 CM Band - VK3ZZC
This coaxial collinear antenna was built to test for my own consumption whether or not ...

[ Hits: 578 | Votes: 3 | Rating: 6.33 ]

Beverage Receive Antenna - W7VO
The Beverage we use is a DX Engineering RPS 1 dual directional 360 foot 109 ...

[ Hits: 152 | Votes: 4 | Rating: 7.25 ]
Reversible RG6 Beverage Antenna - VE3VN
A project about reversible unidirectional Beverage antennas plus a remote switching system conveniently controlled by ...

[ Hits: 185 | Votes: 3 | Rating: 7 ]

A simple NonDirectional Antenna for 10 meter - W7AYB
This article is about a simple vertical end fed half wave wire antenna for 10 ...

[ Hits: 705 | Votes: 2 | Rating: 7 ]

Log Periodic Dipole Array Calculator - LA8OKA
Description and online calculator for Log Periodic Dipole Arrays LPDA are directional antennas featuring a ...

[ Hits: 227 | Votes: 2 | Rating: 6 ]

Enhancing Performance with W8JK/MOXON Antenna Variant - F5NPV
F5NPV introduces a variant of the W8JK antenna design employing the MOXON principle With extended ...

[ Hits: 183 | Votes: 0 | Rating: 0 ]

EggBeater Antenna for VHF UHF - ON6WG F5VIF
This antenna was conceived mainly for high speed digital transmission via satellite The antenna is ...

[ Hits: 234 | Votes: 0 | Rating: 0 ]

What We Can Expect from a 2-Element Beam - W4RNL
Method Units of Measure and the Dipole Standard of Reference This article helps in understanding ...

[ Hits: 101 | Votes: 0 | Rating: 0 ]

Small DuoBand Antenna - DK7ZB
This small dual band UHF VHF directional antenna is good choice for portable operations This ...

[ Hits: 197 | Votes: 1 | Rating: 2 ]

Trapped vertical Antenna - F5ZV
This antenna is an omnidirectional and multiband and it is well suited for DX enthusiasts ...

[ Hits: 357 | Votes: 7 | Rating: 2.71 ]

DIY 850 MHz Yagi Antenna - vk4ion
This DIY Yagi costs less than 20 Dollars and let you increase the performance of ...

[ Hits: 43 | Votes: 0 | Rating: 0 ]

Mini Satellite-Antenna Rotator Mk1 - sarcnet
This project is a portable device used to automatically point a directional antenna towards an ...

[ Hits: 287 | Votes: 1 | Rating: 1 ]

Simple 2.4 GHz SWR Meter - N9ZIA
This is a simple 2 4 GHz SWR meter which is based around surplus microwave ...

[ Hits: 144 | Votes: 2 | Rating: 6 ]
Remote Power and SWR Meter Project - DK1MI
Remotely monitor the output power and SWR of your station via a web browser WT32 ...

[ Hits: 102 | Votes: 0 | Rating: 0 ]

Measuring with a MiniVNA - N4SPP
Measuring technicques using a MiniVNA author describes how to determine and unknown inductance or how ...

[ Hits: 186 | Votes: 1 | Rating: 1 ]