antenna impedance

69 links - and 1 categories

2m Quad Turnstile Antenna
The loops are made of 10 mm round aluminum tube No bending pliers was used ...

[ Hits: 207 | Votes: 0 | Rating: 0 ]
Rectangular Loop antenna for 2 meter band - VK1NAM
An interesting and easy to build loop antenna for VHF bands that present a feedpoint ...

[ Hits: 279 | Votes: 1 | Rating: 1 ]

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 ]

70 cm Helix Antenna - VE2EK
Helix antenna 432 435 MHz 14 turns This 50 ohm impedance antenna allows when fed ...

[ Hits: 255 | Votes: 2 | Rating: 10 ]

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 ]

BalUn for Delta-loop & Quad-loop antennas - hfkits
This Guide helps you to build the 1 2 BalUn 600 Watts DIY kit step ...

[ Hits: 286 | Votes: 1 | Rating: 9 ]

A Reversible Beverage at ZL3IX - ZL3IX
How do two wire reversible direction Beverages work an excellent document that explains fundamentals of ...

[ Hits: 524 | Votes: 0 | Rating: 0 ]

End-Fed Half-Wave Antenna for 20m 40m 80m - VA3KOT
How to Design and Build a Field Expedient End Fed Half Wave Antenna for 20m ...

[ Hits: 142 | Votes: 1 | Rating: 4 ]

Fan Dipoles 10/15/20m and 12/17/30m - DK7ZB
How to build Fan Dipoles by DK7ZB Experiences with various band combinations Not all combinations ...

[ Hits: 490 | Votes: 2 | Rating: 9.5 ]

The Quarter-wave stub - LA8OKA
The Quarter wave stub can be used for many purposes If it is left with ...

[ Hits: 136 | Votes: 1 | Rating: 8 ]

Exploring The J-Pole Antenna - AA1ZB
The J Pole antenna is a common omnidirectional antenna used in amateur radio particularly on ...

[ Hits: 143 | Votes: 0 | Rating: 0 ]

Angle of OCF L-Dipole Antennas - kk4obi
This page is a discussion about impedance matching by Off Center Fed dipoles in the ...

[ Hits: 76 | Votes: 0 | Rating: 0 ]

T2FD Antenna - Terminated and twisted folded dipole - OH1AYR
T2FD is a 600 900 ohms folded dipole terminated with resistor Feed impedance is coupled ...

[ Hits: 491 | Votes: 0 | Rating: 0 ]

Antenna Measurements - Bevelacqua
Testing of real antennas is fundamental to antenna theory The most common and desired measurements ...

[ Hits: 61 | Votes: 1 | Rating: 10 ]

The Smith Chart - Bevelacqua
This tutorial introduces and explains Smith Charts and then gives an introduction to impedance matching ...

[ Hits: 116 | Votes: 2 | Rating: 9.5 ]

The Squid Pole Wire Antenna Re-visited - VK4ADC
The author explores enhancing the performance of a 7 meter fiberglass squid pole wire antenna ...

[ Hits: 91 | Votes: 0 | Rating: 0 ]

Balun_cmr Calculate common-mode impedance - VK2WB
This EXCEL Program Worksheet calculates the common mode impedance of a 1 1 Guanella current ...

[ Hits: 405 | Votes: 1 | Rating: 10 ]
AN-SOF - Professional Antenna Simulation - ANS.SOF
AN SOF is a professional comprehensive software tool for the modeling and simulation of antenna ...

[ Hits: 243 | Votes: 2 | Rating: 10 ]
NEC-Win Plus+ - Nittany Scientific
Developed for beginners hobbyists and field engineers Includes polar plots rectangular plots for input impedance ...

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

WIFI Remote FUCHS ATU for EndFed Antenna - F5NPV
The Fuchs Antenna tuner with a resonant circuit as a coupler The Fuch Antenna Tuner ...

[ Hits: 117 | Votes: 0 | Rating: 0 ]