frequency

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frequency

533 links - and 9 categories

Antennas : Antenna Calculators
  • Patch Antenna Calculator - This online microstrip patch antenna calculator determines the length and width of a microstrip patch antenna for a given frequency
    [ Hits: 1174 | Votes: 20 | Rating: 4.86 ]
  • Microstrip Patch Antenna Calculator - This calculator calculates the length and width of a patch antenna based on the frequency, dielectric constant of the dielectric and the height of the thickness of the patch antenna substrate.
    [ Hits: 477 | Votes: 2 | Rating: 1 ]
  • Amateur Dipole Antenna Calculator - This calculator is designed to give the horizontal length of a particular dipole including Tees, antenna, or one side of it, for the frequency chosen. Enter the desired frequency and select the desired calculation from the drop box
    [ Hits: 1078 | Votes: 9 | Rating: 7.45 ]
Antennas : Log Periodic
  • VHF Log Periodic Antenna - 17-Element Very High Frequency/Ultra High Frequency Log Period Dipole Array
    [ Hits: 1246 | Votes: 7 | Rating: 5.86 ]
Antennas : Receiving
  • Receiving Loop Antenna - A receiving loop antenna for low frequency DX Work
    [ Hits: 756 | Votes: 0 | Rating: 0 ]
DX Resources : Beacons
  • WSPR - weak signal beaconing - Introduction to WSPR beacons. Article describe WSPR2 and WSPR15 beaconing mode and include a frequency reference table for both WSPR modes
    [ Hits: 654 | Votes: 0 | Rating: 0 ]
Ham Radio : Band Plans
  • Considerate Operator's Frequency Guide - The Considerate Operator's Guide shows frequencies generally recognized for certain modes or activities (all frequencies are in MHz).
    [ Hits: 1372 | Votes: 1 | Rating: 2 ]
  • Amateur radio frequency allocations - Wikipedia page about amateur radio spectrum assigned to the amateur radio service
    [ Hits: 693 | Votes: 3 | Rating: 3.67 ]
  • FCC Frequency Allocation Table - Table of Frequency Allocations as published by the Federal Register and codified in the Code of Federal Regulations remains the legal source material.
    [ Hits: 1393 | Votes: 5 | Rating: 2.4 ]
Ham Radio : Blogs : USA
  • KK6ZLX - A new ham finding his way in the hobby
    [ Hits: 309 | Votes: 0 | Rating: 0 ]
Manufacturers : Test Equipment : Signal generator
  • Keysight (Agilent) Signal Generator - Keysight offers numerous baseband, RF, and microwave signal generator (signal source) products. From basic to advanced, baseband to 67 GHz, Keysight signal generators are capable of frequency extensions to 500 GHz with millimeter-wave source modules.
    [ Hits: 237 | Votes: 0 | Rating: 0 ]
Operating Modes : Satellites
  • Getting Started with the FM Satellites - If you can program split-frequency memories in your dual-band radio, or your dual-band radio has two VFOs, you can work an FM satellite
    [ Hits: 991 | Votes: 1 | Rating: 10 ]
Radio Equipment : VHF-UHF Handhelds : Wouxun KG-UV8D
  • KG-UV8D Freq Limit - Mod software to expand the frequency range to the full authorized range of the radio and not beyond 134-174MHz 400-519MHz, it will not add the 2.5kHz step
    [ Hits: 709 | Votes: 9 | Rating: 7.56 ]
Radio Scanning : Scanner Frequencies
  • Intercept Radio - The radio website that respects the Civil Air Patrol and their copyrights. Home of the world's largest radio/scanner frequency database, include live police scanner recordings
    [ Hits: 505 | Votes: 7 | Rating: 8.14 ]
Shopping and Services : Test equipment
  • MCS Test Equipment - MCS Test Equipment supply test and measurement equipment such as oscilloscopes, wireless testing systems, frequency scanners and more.
    [ Hits: 237 | Votes: 0 | Rating: 0 ]
Technical Reference : Calculators Technical Reference : Frequency Counter
  • W8DIZ Frequency Counter - This Frequency Counter Development Kit is fully functional with the included pre-programmed microprocessor
    [ Hits: 509 | Votes: 1 | Rating: 1 ]
Technical Reference : Radio Frequency Interference
  • Ham Radio TVI in the 21st Century - Ham radio transmissions can interfere with television reception. This is called television interference, or ham radio TVI. Consumer adoption of cable television has significantly reduced ham radio TVI. But the introduction of IPTV, or television over phone systems, has brought ham radio TVI back, often with a vengeance. Here's why
    [ Hits: 322 | Votes: 0 | Rating: 0 ]
Technical Reference : TVI Filters
  • TVI filters - Examples of absorbtive low-pass filters in which the unwanted high-frequency energy is separated from the wanted output and then dissipated in matched resistors
    [ Hits: 356 | Votes: 0 | Rating: 0 ]
Technical Reference : Vector Network Analyzer
  • SARK-100 Pc Scan - A windows program that scans the SARK-100 and plot the SWR Vs frequency. The data can also be stored as an Excel file. The min and max match frequency is calculated. Donationware
    [ Hits: 1902 | Votes: 3 | Rating: 8 ]

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