pi match20 links
- 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 roughly 3 db!
[ Hits: 2119 | Votes: 5 | Rating: 7.00 ]
- A Hairpin match for 5 el. Tonna
- An interesting modification to improve the gain of your 5 element Tonna Yagi beam for 50 MHz by roughly 3 db!
[ Hits: 1551 | Votes: 3 | Rating: 5.67 ]
- Six Meter Yagi Beam
- Article describing how to homebrew a yagi antenna for 50 MHz, includes plans for a four and five elements yagi beam and details how how match impedence with a gamma match
[ Hits: 646 | Votes: 3 | Rating: 4.33 ]
- 2 Elements 20m Delta Loop
- A 2 elements delta loop antenna for 14 MHz with a MMana simulation file, dimensions, pictures of this aluminium tube based delta loop antenna, and matching system details.
[ Hits: 358 | Votes: 1 | Rating: 6.00 ]
- SWR: Maximum allowable VSWR
- VSWR (voltage-standing-wave-ratio) represents the degree with which an antenna is "matched" to the system impedance. Most modern antennas do not require any tuning for optimum performance. VSWR is one of the easiest parameters to measure and VSWR meters are becoming very popular antenna installation tools
[ Hits: 1129 | Votes: 3 | Rating: 3.33 ]
- K7TJO copper pipe hentenna
[ Hits: 4706 | Votes: 9 | Rating: 7.88 ]
- 5 Band Telescopic Vertical Antenna
- 5 Band 1/4 wave Telescopic Antenna. The 20m to 10m, antenna is simple and cheap to make, and has a performance that matches commercial antennas but at cost considerably lower. The design was purposely based on a telescoping fibre glass fishing rod as this allows it to be easily stowed away in the car.
[ Hits: 2392 | Votes: 2 | Rating: 9.50 ]
- The Basics of Patch Antennas
- This article explores the basic concepts of patch antennas. Topics include principles of operation, impedance matching, radiation pattern, circular polarization, bandwidth, efficiency, alternative feed types, stacked patches and higher mode behavior.
[ Hits: 452 | Votes: 1 | Rating: 9.00 ]
- Antenna system in a shopping trolley wally
- Multiband portable antenna system edited by Andy Foad G0FTD, consisting of an old cb antenna with it's 27Mhz matching coil, an antenna tuner, car battery and a transceiver
[ Hits: 1731 | Votes: 2 | Rating: 10.00 ]
- Broadband receiving antenna matching
- This article addresses the subject of obtaining the best signal transfer from an antenna to the
typical 50-ohm receiver input over a wide frequency range, with emphasis on medium-wave
(500 – 2000 kHz), encompassing the standard AM broadcast band and the 160-m amateur band.
[ Hits: 5761 | Votes: 4 | Rating: 6.00 ]
- An Examination of the Gamma Match
- W3PG working analysis of the gamma match problem taht gives useful practical results
[ Hits: 1167 | Votes: 1 | Rating: 10.00 ]
- Gamma Match Article
- A working analysis of the gamma-match problem that gives usefull practical results. New light on the question of when it will and when it won't give a perfect match to the coaxial transmission line.
[ Hits: 1750 | Votes: 0 | Rating: 0.00 ]
- Beta Match - Hairpin, Stub affecting the element
- The efficiency of Beta matched elements in antennas by K3BU
[ Hits: 1086 | Votes: 4 | Rating: 4.50 ]
- A Multi-type "one-box" Antenna Tuner
- This antenna tuner is a multi-type matching system in the same box, which includes L - Pi and T networks.
[ Hits: 7197 | Votes: 3 | Rating: 9.67 ]
- 10 m Aerial Matching Unit
- This simple matching unit will allow a 10 meters aerial to be used right across the 10m band without the need to physically adjust the elements, and offers a virtual 1:1 VSWR at 50 ohms impedance to the transmitter.
[ Hits: 3299 | Votes: 2 | Rating: 4.50 ]
- A Portable Antenna Matching Unit
- A small HF antenna tuner project for qrp operations. Includes circuit diagrams pictures and test results by GW4ALG
[ Hits: 14171 | Votes: 5 | Rating: 5.40 ]
- 6m Half wave vertical
- This antenna is very useful for receiving or scanning purposes, but you can use it for transmitting, too. It is 2,94m long and has a pi-configuration (Collins-Filter) for the matching.
[ Hits: 3675 | Votes: 4 | Rating: 7.75 ]
- The ElectraSlide Antenna
- Modification of the DK3 design by Don Johnson, W6AAQ. No voltage dropping, operates on the full 12 volts. The control switch and the matching toroid are supplied. All you need is a standard 3/8 by 24 thread ballmount, 2 wire sheilded microphone cable for control wiring, and a CB whip cut to resonance.
[ Hits: 1290 | Votes: 0 | Rating: 0.00 ]
- Fcc Lookup System
- The FCC Lookup System software uses the standard FCC data files in an advanced lookup system for matching a call sign to a user. The software creates index files to allow rapid searches without modifying the FCC data file. Available for both Windows and Linux.
[ Hits: 948 | Votes: 2 | Rating: 1.00 ]
- RF Attenuator Calculator
- This is an on-line rf attenuator calculator provided free in order to promote the FLEXI-BOX. Calculates the resistor values, attenuation, minimum attenuation, impedance, reflection coefficient, VSWR and return loss of a matching Pi attenuator
[ Hits: 153 | Votes: 0 | Rating: 0.00 ]
You can try similar termsa t-match atu a t match atu hf z match j match l match atu match all match hf pi match pi match atu q match qrp z match s-match t match t match 2m t match atu
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