sma antenna

199 links - and 2 categories

80m Inverted-L Base-loaded for 160m - M0EZP
80m Inverted L Antenna Base loaded for 160m antenna This antenna is not a good ...

[ Hits: 123 | Votes: 1 | Rating: 10 ]

A portable 3 element 6m Yagi - zl1rs
A small Yagi antenna for camper van It is made of aluminum tubing breaks down ...

[ Hits: 39 | Votes: 0 | Rating: 0 ]

An 80 m dipole antenna for restricted spaces - LA8OKA
You can bend the wires in a half wave dipole so that it takes up ...

[ Hits: 186 | 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 ]

Some secrets of Common Mode Chokes revealed - pa0nhc
This is a small collection of K9YC info and my experiences Problems by feed lines ...

[ Hits: 175 | Votes: 1 | Rating: 10 ]
RF Choke with Bifilar Windings - rjbono
This article presents an RF Choke featuring an 11 bifilar turn winding of 14 house ...

[ Hits: 87 | Votes: 0 | Rating: 0 ]

Helical Antennas for 144 MHz - W6NBC
This article is about two excellent small helical antennas for the two meters band With ...

[ Hits: 231 | Votes: 1 | Rating: 7 ]

What is Horn Antenna - frambos
Horn Antenna The energy of the beam when slowly transform into radiation the losses are ...

[ Hits: 74 | Votes: 0 | Rating: 0 ]

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: 408 | Votes: 1 | Rating: 8 ]

Multi-Band 4 Foot Magnetic Loop with Gamma Match - AA1IK
This antenna works on 17 20 and 30 meters with the best bandwidth on 20 ...

[ Hits: 141 | Votes: 2 | Rating: 10 ]
A More Efficient Magnetic Loop Antenna - AA8C
The idea behind this antenna was to use multiple conductors in parallel to reduce the ...

[ Hits: 216 | Votes: 2 | Rating: 5.5 ]
Short receiving loop antenna - RadioescutaDX
This page is a project for a small loop antenna for reception of short wave ...

[ Hits: 120 | Votes: 1 | Rating: 10 ]

Open-Folded W8JK Antenna for HF - F5NPV
Originally designed by John Kraus W8JK in about 1940 this antenna has some interesting properties ...

[ Hits: 141 | Votes: 1 | Rating: 3 ]

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 ]
Small HF RX Loop - iw7dmh
This is very common W7IUV Flag Antenna design is based on the PY3AGD antenna because ...

[ Hits: 147 | Votes: 0 | Rating: 0 ]

A Versatile SOTA Antenna Tuner - KX0R
This is a detailed technical piece intended mostly for makers and more creative activators who ...

[ Hits: 265 | Votes: 2 | Rating: 10 ]
QRP Z Match Antenna Tuner Project - ON5IA
A Home made antenna tuner for QRP transceivers This small tuner is the ideal for ...

[ Hits: 110 | Votes: 1 | Rating: 10 ]

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

[ Hits: 198 | Votes: 1 | Rating: 2 ]

Smart SO2R Antenna Switcher: A DIY Solution - KK7S
In pursuit of enhanced station efficiency the author describes crafting an Arduino based smart antenna ...

[ Hits: 157 | Votes: 0 | Rating: 0 ]