antenna measurement

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Search Results for "antenna measurement"

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Antennas : 160M Antennas : Feed Lines
  • Setting the SWR of Your Antenna - SWR (standing wave ratio), is a measurement of how efficiently your antenna system will radiate the power available from your radio. In simple terms, your radio would like to radiate all of its power, but can only do so if the other components cooperate
    [ Hits: 1103 | Votes: 0 | Rating: 0.00 ]
  • Better Feedline Loss Measurements with Antenna Analyzers - Various publications through the years have shown how the SWR measured on a shorted (or open) feed line can be used to calculate feed line attenuation
    [ Hits: 1449 | Votes: 1 | Rating: 10.00 ]
Antennas : G5RV
  • G5RV antenna - Review by G3TXQ and comparison to its modificated versions. SWR Measurements on inverted V setup and comparison from EZNEC model and a real one.
    [ Hits: 1513 | Votes: 3 | Rating: 4.00 ]
Antennas : Hentenna
  • Hentenna Applications - Plans and measurements to build the Hentenna antenna for HF bands and for the 6 meter band
    [ Hits: 1469 | Votes: 3 | Rating: 4.33 ]
Antennas : Homebrewing Techniques
  • Antenna Impedance measurement - When experimenting on an antenna it's often important to determine its feedpoint impedance at various frequencies across the operating band. It's easy enough to measure SWR, but sometimes we need to know more detail than this
    [ Hits: 1207 | Votes: 6 | Rating: 2.67 ]
Antennas : Horn
  • A Horn Antenna for 2.4 GHz. - This Antenna is not really practical for AO-40 reception, but horn antennas have a number of qualities useful in microwave antenna testing and noise figure measurements.
    [ Hits: 10401 | Votes: 27 | Rating: 3.48 ]
Antennas : Magnetic Loop Antennas : Theory
  • G5RV Measurements - Measurements and characteristics of a G5RV Antenna, including effect of the transmission line as part of the antenna and contributes in a large way to it's multi band characteristics
    [ Hits: 5830 | Votes: 5 | Rating: 5.00 ]
  • Antennas basics - An antenna study guide by NZART, cover basic topics like dipoles, wave lenght calculation, baluns, beams, dummy loads, and measurements.
    [ Hits: 23592 | Votes: 13 | Rating: 8.77 ]
  • Antenna Measurement Theory - Introduction to Antenna Measurement by orbit /fr pdf file
    [ Hits: 1548 | Votes: 0 | Rating: 0.00 ]
  • Antenna Measurements - The electrical characteristics of an antenna that are of interest to obtain by direct measurement are the frequency at which the antenna is tuned, the gain and radiation pattern
    [ Hits: 662 | Votes: 3 | Rating: 4.00 ]
Antennas : Theory : Antenna Gain
  • CSVHFS Antenna Gain Measurements - The Central States VHF Society has conducted Antenna Gain Measurements since its inception in 1967. Comparisons between commercial and homebrew antennas, between different homebrew designs, and between different commercial designs. Mostly VHF UHF and up antennas.
    [ Hits: 1183 | Votes: 2 | Rating: 10.00 ]
Antennas : Vertical
  • Groundplane antenna - Short guide to build your own groundplane antenna, includes radial measurements fro warc bands
    [ Hits: 5231 | Votes: 2 | Rating: 10.00 ]
Antennas : WiFi
  • Practical Wifi Antenna Measurement - This page describes a simple way to determine the main RF characteristics of a Wifi (IEEE802.11b/g wireless LAN) antenna.
    [ Hits: 2731 | Votes: 3 | Rating: 4.00 ]
Antennas : Windom
  • OH7SV Matti Hohtola Ham Projects - The most modern QRP transceiver in 2004,Direct Conversion HF Transceiver with DDS LO, 50 ohm to 200 ohm HF wide band transformers, Wilkinson splitter for RX measurements, Windom baluns 2001/2004, Ferrite rod antenna for 80 meter, Magnetic Loop Antenna for 80 m, Mascot Switched PSU 9320 modification to 8A peak current, 150W MOSFET linear amplifier for 80m, 80 m HF SSB/CW Transceiver
    [ Hits: 19212 | Votes: 27 | Rating: 8.04 ]
Manufacturers : Microwave
  • KEYCOM Characteristic Technologies - Millimeterwave/Microwave transmission lines and components, Cryogenic temperature application transmission cables and systems, Permittivity(Dielectric rate) and Permeabillity measurement systems, Antennas, Radar systems
    [ Hits: 786 | Votes: 2 | Rating: 4.00 ]
Manufacturers : QRP Kits
  • Micro908 Kit - A re-usable control & computing platform for antenna measurement, PSK31 digital modems, audio filtering, signal source & VFO, memory keyer by AMQRP
    [ Hits: 1387 | Votes: 1 | Rating: 10.00 ]
Manufacturers : Test Equipment : Frequency Counter
  • Anritsu - Provides technology and solutions for the electronic test and measurement, optical, rf and microwave, wireless, wired, telecommunications. Make Frequency Counters, Antenna and spectrum analyzers, power meters, signal generators
    [ Hits: 605 | Votes: 0 | Rating: 0.00 ]
Radio Equipment : Antenna Analyzers
  • Analyzing Three Antenna Analyzers  updated - On this page W8WWV present some measurements he made with three of the popular antenna analyzers. MFJ MFJ-269, AEA CIA-HF, Autek RF-1
    [ Hits: 2484 | Votes: 1 | Rating: 10.00 ]
Radio Equipment : HF Transceivers : Icom IC-746
  • ICOM 746 Temperature Measurements - The ICOM 746-Pro has acquired a history of NEC 1678G (IC-151) MMIC and driver transistor 2SK2975 failures. The failure of IC-151 appears to be a combination of ESD damage from electrostatic charge on the antenna entering IC-151, and perhaps thermal heat.
    [ Hits: 1938 | Votes: 0 | Rating: 0.00 ]
Radio Equipment : HF Vertical Antenna : Cushcraft R7 Radio Equipment : HF Vertical Antenna : GAP Titan Software : Antenna analysis
  • HF Beam Calculator - A javascipt online calculator for 2 and 3 element beam antennas. Just input frequency and will diplay element dimensions and spacing. Measurements in Feet and Meters by G4VWL
    [ Hits: 2707 | Votes: 26 | Rating: 5.62 ]
Technical Reference : Test Equipment
  • Rainbow Antenna Analyzer - A small and inexpensive measurement device designed to determine antenna performance across the amateur bands through use of automatically collected SWR readings
    [ Hits: 5957 | Votes: 6 | Rating: 6.33 ]
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