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233 links - and 1 categories

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 ]

Cross-Yagi 10el Antenna for 70cm - UR3QQJ
10 Elements Cross Yagi Antenna for 433 MHz The base of the 10el antenna is ...

[ Hits: 177 | Votes: 6 | Rating: 8.83 ]

80 Meter Shortened Ground Plain Antenna - DL2KQ
This antenna is a vertical loop antenna mounted on a 8 meters high grounded mast ...

[ Hits: 446 | Votes: 1 | Rating: 5 ]

End Fed Antenna with a 1:64 Matching Network - buildthings
In this experiment the autor is going to explore the use of a 1 64 ...

[ Hits: 873 | Votes: 15 | Rating: 6.73 ]
QRP End-Fed for 40m 20m 10m - VK3YY
This antenna build was strongly inspired by the well known PAR end fed antenna The ...

[ Hits: 170 | Votes: 3 | Rating: 9.67 ]

To transform ot not to transform - Feed Lines - KG4ZNC
Transmission lines have many uses other than simply transferring RF power from one point to ...

[ Hits: 137 | Votes: 0 | Rating: 0 ]

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 ]

Z-Match 100 and mini Z-Match - PD7MAA
This is a antenna tuner with wide range tuning for antennas with a Z of ...

[ Hits: 298 | Votes: 0 | Rating: 0 ]
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 ]
L-Match Tuner Build for QRP Operation - Ryan Flowers
An L Match tuner is a device that can add either inductance L or capacitance ...

[ Hits: 186 | 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 ]

Power and VSWR Indication on the FT-817 - KA7OEI
Reflected power and VSWR Metering on Yaesu FT 817 and proper interpretation of real values ...

[ Hits: 148 | Votes: 0 | Rating: 0 ]

Antenna Calculation Software - n7yg
The program consists of tabbed pages for various antenna and transmission line calculation You can ...

[ Hits: 436 | Votes: 1 | Rating: 10 ]
Interactive Smith chart - Telestrian
The interactive Smith chart enables users to navigate their way around a Smith chart using ...

[ Hits: 286 | Votes: 2 | Rating: 9.5 ]

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 ]

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

[ Hits: 195 | Votes: 1 | Rating: 10 ]
Online Toroid Multi Calculator - toroids.info
This website provide online calculator for several values about a large variety of toroids Freq ...

[ Hits: 212 | Votes: 3 | Rating: 5 ]