j match

80 links

The Ugly MacGyver 6 meter J-pole Antenna
Essentially a J pole is a 1 2 wave resonant antenna connected to a quarter ...

[ Hits: 202 | Votes: 0 | Rating: 0 ]
50MHz / 6m J-pole Antenna by VK4ADC - VK4ADC
The J Pole is an easy to build and inexpensive device that provides an omni ...

[ Hits: 443 | Votes: 4 | Rating: 6 ]
J-Pole Antenna for 50 MHz - DK7ZB
This J Pole is mounted on a fishing rod The radiator L1 is an isolated ...

[ Hits: 223 | Votes: 0 | Rating: 0 ]
Half-Size 6 meter J-antenna - Dick Reid, KK4OBI
How to use a little known J antenna characteristic to reduce a conventional 14 foot ...

[ Hits: 63 | Votes: 0 | Rating: 0 ]

Outdoor 80m/40m bands Magnetic loop antenna - PA0NHC
No matching adjustments needed Directly perfect match to 50 Ohms using a remotely switched wideband ...

[ Hits: 225 | Votes: 0 | Rating: 0 ]

Short Antenna for 40-30-20 Meters Band - dj0ip
This page describes an entirely simple One Knob matchbox that will match this antenna efficiently ...

[ Hits: 238 | Votes: 1 | Rating: 7 ]

Tuning OCF L-Dipoles - KK4OBI
The behavior of a straight dipole and its L form is examined in terms of ...

[ Hits: 29 | Votes: 0 | Rating: 0 ]

Stacking, Phasing and Matching Yagi Antennas - VK2ZAB
This is a synopsis of a talk presented to the Sydney VHF DX GROUP by ...

[ Hits: 240 | Votes: 2 | Rating: 10 ]

The Easy Way Antenna Systems - WB5IIR
This document is a must read for anyone considering building a good low cost HF ...

[ Hits: 635 | Votes: 2 | Rating: 4.5 ]

Adjusting HF Yagi Gamma Matches - VE3VN
There are many feed systems used in yagis over the years Gamma matches are not ...

[ Hits: 132 | Votes: 1 | Rating: 10 ]

A QRP Transmatch ATU - DL1GSJ
A home made Antenna Tuner made with a simple inductor and a few spare parts ...

[ Hits: 205 | Votes: 0 | Rating: 0 ]
The SPC Tuner - KC5LDO
SPC series parallel capacitance tuner project Built properly it will match a very wide range ...

[ Hits: 154 | Votes: 0 | Rating: 0 ]
Homebrew Z-Match Transmatch - WB3GCK
For this project I decided to try my hand at building a Z Match tuner ...

[ Hits: 132 | Votes: 0 | Rating: 0 ]
QRP Z Match Antenna Tuner Project - ON5IA
A Home made antenna tuner for QRP transceivers This small tuner is the ideal for ...

[ Hits: 109 | Votes: 1 | Rating: 10 ]

Yaesu FT-817 Audio Enhancement: Heathkit-inspired Homebrew Project - KG4JJH
Inspired by Heathkit author aimed to enhance his Yaesu FT 817 with audio and RF ...

[ Hits: 81 | Votes: 1 | Rating: 2 ]

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 ]

Building a Robust PL519 Tube HF Amplifier - DL1DWG
his article explores the construction of a PL519 tube amplifier utilizing Ulrich L Rohde N1UL ...

[ Hits: 71 | Votes: 0 | Rating: 0 ]

RF Impedance Matching Calculator - Analog Devices
Calculates the network to match a line to a specific complex load This online tool ...

[ Hits: 196 | Votes: 1 | Rating: 10 ]

Coax Loss Calculator Online by K5VR - K5VR
RF Feedline Coax and Ladder Line Loss and ERP Calculators made with Javascript This complex ...

[ Hits: 252 | Votes: 2 | Rating: 5 ]

Retro SWR Project - N2APB N2CX
Analysis design and construction of a simple useful SWR meter from yesteryear Schematic diagram pictures ...

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