nec antenna

159 links

4m Tall Vertical Dipole for 20m - TF3LJ
Constructed in May 2008 this innovative 4m tall electrically full size halfwave vertical dipole tunable ...

[ Hits: 95 | Votes: 0 | Rating: 0 ]

UniBalun: Lightweight Balun/UnUn PCB for QRP Radios (1:1, 1:4, 1:49) - DG1JAN
The UniBalun is a PCB for building a lightweight antenna transformer Balun or impedance converter ...

[ Hits: 63 | Votes: 1 | Rating: 1 ]

1:49 unun for end fed half wave antennas - vu3dxr
1 49 UNUN using two stacked FT240 43 cores for end fed halfwave antenna To ...

[ Hits: 399 | Votes: 10 | Rating: 8.1 ]

Small Loop Antenna for the 80m to 10m - G3JKF
This article describes the development of two tunable antennas each consisting of three interconnected small ...

[ Hits: 406 | Votes: 1 | Rating: 8 ]

Moxon Mania - Building the Ultimate 4-Band Moxon Antenna - W7JMP
The article details the design and construction of a four band Moxon beam by a ...

[ Hits: 96 | Votes: 0 | Rating: 0 ]

Yaesu ATAS-120A Portable Tripod: Enhancing Efficiency - N6CTA
In this post by N6CTA discover the conversion of the Yaesu ATAS 120A screwdriver antenna ...

[ Hits: 88 | Votes: 0 | Rating: 0 ]

The Loop on Ground Antenna - KK5JY
An experimental antenna for HF reception It consists of a single loop element mounted on ...

[ Hits: 302 | Votes: 3 | Rating: 8 ]
HF Receive Antenna - K0EMT
This page describes a couple of parts box medicine bottle antennas that you can build ...

[ Hits: 192 | Votes: 2 | Rating: 3 ]
RX Loop antenna - PA5HE
This loop antenna is intended to be connected as an antenna for receivers that do ...

[ Hits: 60 | Votes: 0 | Rating: 0 ]

Folded Dipoles in Yagi Uda Antennas
A folded dipole is an antenna with two conductors connected on both sides and folded ...

[ Hits: 315 | Votes: 2 | Rating: 4.5 ]

Cloverleaf Antenna - Oscarliang
Cloverleaf antenna is a circular polarized antenna which is way better than the cheap dipole ...

[ Hits: 64 | Votes: 0 | Rating: 0 ]
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 ]

13 Elements Yagi for 144 MHz - I5MZY
A homebrew 13 elements yagi antenna for two meters band These project includes two model ...

[ Hits: 142 | Votes: 0 | Rating: 0 ]
DIY Yagi Antenna - DiMaria
This article describes the phases for the construction of a Yagi antenna The calculations of ...

[ Hits: 109 | Votes: 4 | Rating: 3.5 ]

WebSDR in Andorra - ARDAM
Listen to online WebSDR located in Andorra Europe Four receivers on 60m 20m 40m and ...

[ Hits: 133 | Votes: 1 | Rating: 5 ]

Hamstick Experimentation: A Day of Surprising Results - WK4DS
In his POTA activation WK4DS experimented with radials for hamstick antennas Despite sun and RF ...

[ Hits: 44 | Votes: 0 | Rating: 0 ]

Enhancing Icom IC-7300 RX Antenna - IW0FFK
Despite the model limitations such as a single TXRX antenna connector the author shares a ...

[ Hits: 189 | Votes: 1 | Rating: 10 ]

3D Printer Makes Ham Antenna Portable - hackaday
An end fed antenna winder design that also contains the necessary matching toroid This would ...

[ Hits: 217 | Votes: 0 | Rating: 0 ]