design

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design

1024 links - and 5 categories

Antennas : J-Pole
  • J-Pole antenna design  pop - Complete guide to build Jpole antennas with online dimensions calculator.
    [ Hits: 50008 | Votes: 78 | Rating: 5.88 ]
Antennas : Quad
  • Cubical Quad Antenna Design  pop - By N6VNG, can be used to determine the element lengths and the gamma match values for different frequencies, includes link to excel files with formulas to dimension your quad antenna.
    [ Hits: 29828 | Votes: 80 | Rating: 5.80 ]
Antennas : VHF UHF
  • 1270Mhz Yagi Antenna - Build your own antenna for the 23cm band ( 1250Mhz - 1280Mc ) using some aluminium and this simple design.
    [ Hits: 11531 | Votes: 16 | Rating: 6.45 ]
Manufacturers : Microwave
  • Broadcast microwave services - Designs and manufactures a comprehensive line of microwave communications equipment for television broadcast, video, telemetry, and electronic surveillance applications.
    [ Hits: 2543 | Votes: 3 | Rating: 6.00 ]
Manufacturers : Test Equipment
  • Radio Adventures - Design and manufacturing of electronic components, kits, and accessories for the amateur and commercial communications. CMOS Keyers, W1AW receivers, PC borads kits
    [ Hits: 3025 | Votes: 1 | Rating: 1.00 ]
Manufacturers : Test Equipment : Power Meter
  • Bird Electronic - Design and manufacture of components, instruments and systems for RF power measurement.
    [ Hits: 3893 | Votes: 8 | Rating: 7.13 ]
Shopping and Services : Internet services
  • QTH.COM - QTH.COM by KA9FOX offer classified swap ads for amateur radio and web design along to evoluted web hosting
    [ Hits: 307 | Votes: 1 | Rating: 8.00 ]
Software : Antenna analysis
  • PolarPlot - Freeware antenna software that lets you see what the polar diagram of your rotatable beam actually looks like where it is operating. With PolarPlot you can measure the polar diagram of the antenna and check for abnormalities - compare plots taken before and after changes to the design or location - check the -3dB beamwidth - look at the front to back ratio - see the size and position of the sidelobes.
    [ Hits: 5775 | Votes: 9 | Rating: 5.88 ]
  • Yagi Designer  pop - Program that produces antenna radiation patterns and graphs for SWR, forward gain, and F/B ratios
    [ Hits: 21874 | Votes: 57 | Rating: 6.26 ]
  • ASAP - Antenna Scatterers Analysis Program, is a Free general purpose antenna analysis software program for numerical electromagnetic antenna design, modeling and analysis. Source code and windows executables are available to download.
    [ Hits: 14093 | Votes: 7 | Rating: 6.15 ]
Software : Contesting
  • QARTest - Italian only free windows contest logging software, initially designed for the ARI 40-80 contest supports all major world wide contest. Support dx cluster, radio control interface and many new features
    [ Hits: 350 | Votes: 3 | Rating: 7.67 ]
Software : Hellschreiber
  • Spectran - Program designed to do spectral analysis and real-time audio filtering on reception of audio signals for EME, VLF, SETI applications. Offer support for MTHELL, QRSS, DFCW, NDB, WSJT by I2PHD
    [ Hits: 5526 | Votes: 11 | Rating: 8.55 ]
Software : Morse Code Training
  • Int. Morse Code program information - This program is designed to help the beginner learn to receive and send the International Morse Code.
    [ Hits: 4326 | Votes: 5 | Rating: 4.60 ]
Software : Packet
  • TTYlink - TTYLink is a freeware client chat telnet application designed for packet radio and available for Windows NT 4.0 and Windows 95/98.
    [ Hits: 2039 | Votes: 12 | Rating: 7.17 ]
Software : Satellite tracking
  • Satsoft - Satellite antenna design and systems engineering software for windows
    [ Hits: 3053 | Votes: 5 | Rating: 6.20 ]
Software : Spectrum analyzers
  • MDS Spectrum Analyzer - Software for radiomonitoring, radio spectrum analysis. MDS is designed for the real time radio spectrum analysis. It performs real time activity analysis, signal search and collects spectrum data for post time analysis.
    [ Hits: 2895 | Votes: 6 | Rating: 7.33 ]
Software : Utilities
  • Amplifier Simulation Program - ASP 4.0 - Design weak signal GaAs FET or bipolar PreAmps. Automatically designs for optimum gain, NF, VSWR or all.
    [ Hits: 2504 | Votes: 13 | Rating: 5.30 ]
  • KM5KG network designer - Windows98 Program for RF Design
    [ Hits: 1923 | Votes: 4 | Rating: 7.25 ]
  • PLL2 - 2nd Order phase locked loop design for passive and active circuits. Bode plot, step response, design parameters
    [ Hits: 1434 | Votes: 3 | Rating: 5.33 ]
Technical Reference : Filters
  • KI5YN QLF Filter - The QLF filter is a microprocessor based interface designed to go between a standard Morse code key and a radio transmitter
    [ Hits: 1784 | Votes: 3 | Rating: 4.67 ]
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