pi match

24 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 ]

Hairpin match for the 5 elements Tonna for 6 meter
How to improve the gain of your 5 element Tonna yagi for 50 MHz by ...

[ Hits: 2435 | Votes: 6 | Rating: 6 ]
A Hairpin match for 5 el. Tonna - PA2HJS
An interesting modification to improve the gain of your 5 element Tonna Yagi beam for ...

[ Hits: 1963 | Votes: 3 | Rating: 5.67 ]
Six Meter Yagi Beam - W3GAS
Article describing how to homebrew a yagi antenna for 50 MHz includes plans for a ...

[ Hits: 1039 | Votes: 3 | Rating: 4.33 ]

2 Elements 20m Delta Loop - IW7DMH
A 2 elements delta loop antenna for 14 MHz with a MMana simulation file dimensions ...

[ Hits: 592 | Votes: 1 | Rating: 6 ]

End Fed Half-Wave Antennas - Joe
An interesting article on end fed half wave wire antennas with a couple of original ...

[ Hits: 289 | Votes: 2 | Rating: 10 ]
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 ]

SWR: Maximum allowable VSWR
VSWR voltage standing wave ratio represents the degree with which an antenna is matched to ...

[ Hits: 1241 | Votes: 3 | Rating: 3.33 ]

5 Band Telescopic Vertical Antenna - EA5AVL
5 Band 1 4 wave Telescopic Antenna The 20m to 10m antenna is simple and ...

[ Hits: 3610 | Votes: 3 | Rating: 9.33 ]

The Basics of Patch Antennas - Orban Microwave
This article explores the basic concepts of patch antennas Topics include principles of operation impedance ...

[ Hits: 805 | Votes: 1 | Rating: 9 ]

Broadband receiving antenna matching
This article addresses the subject of obtaining the best signal transfer from an antenna to ...

[ Hits: 6692 | Votes: 4 | Rating: 6 ]

Beta Match - Hairpin, Stub affecting the element
The efficiency of Beta matched elements in antennas by K3BU

[ Hits: 1252 | Votes: 4 | 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 Multi-type "one-box" Antenna Tuner
This antenna tuner is a multi type matching system in the same box which includes ...

[ Hits: 7827 | Votes: 3 | Rating: 9.67 ]
A Portable Antenna Matching Unit
A small HF antenna tuner project for qrp operations Includes circuit diagrams pictures and test ...

[ Hits: 15348 | Votes: 7 | Rating: 5.14 ]
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 ]

6m Half wave vertical
This antenna is very useful for receiving or scanning purposes but you can use it ...

[ Hits: 3963 | Votes: 4 | Rating: 7.75 ]

Fcc Lookup System - Jeff Steinkamp
The FCC Lookup System software uses the standard FCC data files in an advanced lookup ...

[ Hits: 1164 | Votes: 2 | Rating: 1 ]

RF Attenuator Calculator - Chemandy Electronics
This is an on line rf attenuator calculator provided free in order to promote the ...

[ Hits: 470 | Votes: 4 | Rating: 5.25 ]

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 ]