frequency

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frequency

533 links - and 9 categories

Antennas : 80M
  • 80 Meter Pizza Pan Antenna - This is a resonant, half-wave, vertical antenna. It takes up little space in the back yard, was designed for operation on a single frequency 80 meter PSK net, and is reasonably inexpensive to construct by Chuck Hines, K6QKL
    [ Hits: 3724 | Votes: 3 | Rating: 5 ]
Antennas : Theory
  • 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: 946 | Votes: 3 | Rating: 4 ]
DX Resources : Beacons : 10 meter beacons
  • VA3GRR - Radio Beacon - VA3GRR is a radio beacon, operating on the 10 meter amateur band. Its frequency is 28.205.5 MHz. It runs just under 5 watts of power into a vertical half-wave ringo style antenna
    [ Hits: 476 | Votes: 1 | Rating: 10 ]
DX Resources : Beacons : Beacon stations
  • WA8YWO - High Frequency Expermental Beacon "WV". The Beacon operates on the frequency of 13.55567mhz. This Beacon is very low power. It operates under Part 15 of the FCC Rules and Regulations. It transmits with only 1.5 milliwatts of power
    [ Hits: 409 | Votes: 0 | Rating: 0 ]
Ham Radio : Blogs : USA
  • K9ZW Blog - With Varying Frequency - Amateur Radio Ponderings
    [ Hits: 407 | Votes: 0 | Rating: 0 ]
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: 815 | Votes: 0 | Rating: 0 ]
  • Keithley Instruments Inc. - Digital multimeters, power supplies, frequency counters, RF analyzers, signal generators
    [ Hits: 616 | Votes: 0 | Rating: 0 ]
  • Phase Matrix - Frequency Counter w/Selective Power Measurement, Microwave Sythesized Signal Generator
    [ Hits: 355 | Votes: 1 | Rating: 10 ]
  • Tabor Electronics - Tabor electronics produces high-end function generator, universal counters/timers, synthesizers, pulse, function and arbitrary waveform. Frequency counters
    [ Hits: 422 | Votes: 0 | Rating: 0 ]
Manufacturers : Test Equipment : Oscilloscope
  • Gage Applied Technologies - Gage applied technologies designs and manufactures high-speed data acquisition systems, high-speed digitizers in pci / cpci / pxi or pc oscilloscopes, providing utmost measurement fidelity for high frequency signals.
    [ Hits: 548 | Votes: 0 | Rating: 0 ]
Manufacturers : Test Equipment : Signal generator
  • Signal Forge - The signal forge 1000 signal generator is a portable, high-performance digital and rf signal source with a 1 ghz frequency range. features include digital, differential and ac coupled outputs
    [ Hits: 635 | Votes: 0 | Rating: 0 ]
Manufacturers : Test Equipment : Spectrum Analyzers
  • BK Precision - Power supplies, electrical testers, battery analyzers, cable tester, rf generators, spectrum analyzers, Digital/Analog Oscilloscopes, Multimeters , attenuators, frequency counter
    [ Hits: 2181 | Votes: 0 | Rating: 0 ]
Operating Modes : Longwave
  • Low Frequency Transmission Modes - Article by W1TAG on operating modes used on low-banding. The 2200 meter band (135.7 - 137.8 kHz) is only 2.1 kHz wide, so voice work on SSB or AM is out. Find out the best modes on LF
    [ Hits: 437 | Votes: 0 | Rating: 0 ]
Operating Modes : Morse code : Clubs
  • New England Historical Radio Society - The New England Historical Radio Society Inc. is an organization dedicated to the preservation of commercial Morse Radiotelegraphy on medium and high frequency.
    [ Hits: 529 | Votes: 0 | Rating: 0 ]
Shopping and Services : Test equipment : Oscilloscope
  • Naptech - Naptech buys and sells quality test equipment from hp, tektronix, including spectrum analyzers & peripherals, oscilloscope, frequency counters timers, signal generators, multimeters & voltmeters, RF & power meters, microwave amplifiers
    [ Hits: 489 | Votes: 0 | Rating: 0 ]
Software : Filter Design
  • Nuhertz Technologies - Leading supplier of low and high frequency electronic filter design products for the design of wireless telecommunications equipment, semiconductors and more
    [ Hits: 1718 | Votes: 3 | Rating: 7.67 ]
Software : Signal Generator
  • SigJenny - SigJenny turns your PC into a flexible and powerful audio signal generator for free. It can create multiple waveforms, sweep, fire single or repeating tone bursts. You can save your sound as a wav file, display a frequency response, use SigJenny a bit like an oscilloscope, and do a very good impression of a police car!
    [ Hits: 17769 | Votes: 22 | Rating: 6.72 ]
Technical Reference : Filters
  • Homebrew a CW Filter - An home-brewed morse code CW filter with a central frequency of 800hz and a variable bandwidth from 230hz to 26hz by F5RDH in french.
    [ Hits: 1767 | Votes: 2 | Rating: 2.5 ]
Technical Reference : Radio Frequency Interference
  • TVi Basics - making filters - TV Interference filters, making TVI filters, coaxial filters to eliminate TV interferences caused by radio frequency
    [ Hits: 1027 | Votes: 0 | Rating: 0 ]
Technical Reference : Spectrum Analyzers

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