measurement

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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: 1253 | Votes: 0 | Rating: 0 ]
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: 10958 | Votes: 32 | Rating: 3.82 ]
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: 1333 | Votes: 3 | Rating: 7 ]
Antennas : Vertical
  • Groundplane antenna - Short guide to build your own groundplane antenna, includes radial measurements fro warc bands
    [ Hits: 5427 | Votes: 2 | Rating: 10 ]
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: 20372 | Votes: 36 | Rating: 8.11 ]
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: 925 | Votes: 2 | Rating: 4 ]
  • GAO Engineering - Gao engineering offers a wide range of affordable, popular and reliable rfid products, dsp, arm and other microprocessor evm and development boards, ides, universal programmers, emulators, dsp learning systems, micro-network terminals, test and measurement products for engineers.
    [ Hits: 657 | Votes: 1 | Rating: 1 ]
Manufacturers : Parts and Surplus
  • Galco - Control Products, drives, motors, test, measurement
    [ Hits: 890 | Votes: 0 | Rating: 0 ]
Manufacturers : Test Equipment : Oscilloscope
  • PicoScope - Pico Technology have developed a wide range of professional PC-based instruments that offer all the functionality of conventional test equipment (DSO - digital storage oscilloscope, spectrum analyzer, meter), and also many features not normally available in this price range. Available functios are Oscilloscope, Spectrum Analyser, XY Scope, Meter and Measurements
    [ Hits: 13389 | Votes: 8 | Rating: 8.37 ]
Manufacturers : Test Equipment : Power Meter
  • Bird Electronic - Design and manufacture of components, instruments and systems for RF power measurement.
    [ Hits: 4108 | Votes: 8 | Rating: 7.13 ]
Operating Modes : GPS
  • GPS Time Series - The Global Positioning System (GPS) is a constellation of 24 satellites which is used for navigation and precise geodetic position measurements.
    [ Hits: 954 | Votes: 3 | Rating: 6 ]
Operating Modes : Longwave
  • Frequency Calibration for Weak Signal Work - Accurate calibration of your receiver and sound card is necessary for good results with the weak signal modes in use at LF. Modern receivers with master oscillators that are synthesized to provide all conversion frequencies greatly simplify the process. This article describes a method of making the necessary measurements and adjustments to an ICOM R75 receiver and a sound card, using the ARGO software
    [ Hits: 872 | Votes: 1 | Rating: 7 ]
Shopping and Services : Regional : Europe : Italy
  • Test.it - Test and measurements equipment, hp hewlett packard wavetek wandel goltermann wandel
    [ Hits: 417 | Votes: 0 | Rating: 0 ]
Shopping and Services : Test equipment
  • ValueRocket Labs - Used electronic test and measurement equipment
    [ Hits: 521 | Votes: 1 | Rating: 1 ]
  • Tucker Electronics - New and refurbished test and measurement instruments
    [ Hits: 652 | Votes: 0 | Rating: 0 ]
  • Test & Measurement Equipment Buying Guide - Compare and select Test& Measurement equipment according to its technical parameters; access library of manufacturers specs and data sheets. TestBuyer.com
    [ Hits: 488 | Votes: 1 | Rating: 5 ]
Software : Low Frequency
  • Baudline signal analyzer - A Linux based FFT spectrum analyzer designed for time-frequency browsing and scientific data visualization. Oscilloscope waveform, statistical histogram, accumulated spectral trace,Weak Signal reception, continuos data logging, FFT Analyzer and specialized measurement windows.
    [ Hits: 12376 | Votes: 32 | Rating: 8.85 ]
Technical Reference : Radio Frequency Interference
  • VK5BR : Intermodulation - Intermodulation Performance and Measurement of Intermodulation Components by Lloyd Butler VK5BR First published in "Amateur Radio" August 1997
    [ Hits: 599 | Votes: 1 | Rating: 10 ]
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: 6760 | Votes: 7 | Rating: 5.57 ]

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