base unit

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base unit

17 links

Antennas : Array

  • Superphaser-2 Phasing Unit - The Superphaser-2 is an antenna phasing unit based on the PSA-A Phase Shift Amplifier module
    [ Hits: 636 | Votes: 0 | Rating: 0 ]
Antennas : Baluns Antennas : End-Fed : End Fed Half Wave Antenna
  • EFHW matching unit - End-Fed Half Wave matching unit project, based on a FT140-43 with SWR plot tests made using capacitor and without.
    [ Hits: 902 | Votes: 2 | Rating: 10 ]
Antennas : Tuners
  • Budget-Friendly QRP T-Tuner and SWR Bridge - In the pursuit of an affordable matching and SWR indication solution for the Pixie-based transceiver system this T-Tuner and SWR bridge unit, while not groundbreaking, proves to be a cost-effective performer. With real-world impedance testing yielding a worst-case loss below 0.9 dB, the unit efficiently matches all bands on 80 M to 10 M ham bands, making it a valuable addition to the QRP system.
    [ Hits: 49 | Votes: 0 | Rating: 0 ]
Antique Radios : Military
  • BP-3 Polish WWII Spy Radio Set - The BP-3 was a valve-based spy radio transceiver, developed during WWII by Tadeusz Heftman of the Polish Military Wireless Unit in Stanmore (UK). It was introduced in 1943 and was intended for use by Agents and Resistance Organisations in Europe. The transmitter produces an output power of 50 Watts in CW
    [ Hits: 989 | Votes: 0 | Rating: 0 ]
Ham Radio : Clubs : North America : USA : Michigan
  • WD8IEL Chelsea Amateur Radio Club - The Chelsea Amateur Radio Club is based on service to the community and the advancement of Amateur Radio in Southeast Michigan.
    [ Hits: 279 | Votes: 1 | Rating: 10 ]
Ham Radio : Clubs : North America : USA : Missouri
  • SMARC  updated - The Southwest Missouri Amateur Radio Club, based in Springfield, Missouri, was incorporated in 1956 as a "benevolent organization" with the purpose of service to the community.
    [ Hits: 574 | Votes: 2 | Rating: 10 ]
Ham Radio : Resources
  • National Radio Data - United States and Canadian call sign/scanner frequency databases, Worldwide airport frequencies, FIPS codes, Mass Media searches for DXing and more!
    [ Hits: 1771 | Votes: 7 | Rating: 7.29 ]
Manufacturers : Accessories
  • AOR U.S.A., INC. - AOR USA Web site, manufacturer of base and mobile receivers, handheld receivers, digital voice modems, spectrum display units, frequency monitors and antennas
    [ Hits: 2141 | Votes: 7 | Rating: 5.14 ]
Operating Aids : Time
  • 1200z Time Explained - Military time notation is based on 24-hour clock. A time of day is written in the form hhmm, where hh (0-23) stands for full hours that have passed since midnight, mm (00-59) is the number of minutes that have passed since the last full hour. To convert hours greater then 12 to 12-hour clock just subtract 12 from the given hours and that will give you the PM time
    [ Hits: 134 | Votes: 1 | Rating: 4 ]
Operating Modes : Repeaters : USA
  • New England Repeater Directory - New England Repeater Directory (NERD) is the most accurate and up to date amateur radio repeater database available in our region. It is maintained by local volunteers of the amateur radio community. The listings are a reflection of each repeater's true status, regardless of their coordination
    [ Hits: 1345 | Votes: 6 | Rating: 8.83 ]
Radio Equipment : HF Transceivers : Elecraft K2
  • Elecraft K2 Owners Database - The K2/K1 Online Database has been created to allow Elecraft Owners to post information about themselves and their K2/K1 units
    [ Hits: 328 | Votes: 0 | Rating: 0 ]
Radio Scanning : Scanner Frequencies
  • US Radio Reference DB - The Radio Reference Database for United States
    [ Hits: 626 | Votes: 5 | Rating: 8 ]
Shopping and Services : Regional : Europe : UK
  • The Shortwave Shop - Provide for the short wave listener, amateurs, local commercial community and business with a wide range of radio based services and products. Icom dealer
    [ Hits: 619 | Votes: 0 | Rating: 0 ]
Software : Antenna analysis
  • Yagi Optimizer - YO Yagi Optimizer by K6STI is an old MSDOS based antenna modelling software that has been very popular among ham radio community. YO.exe is still today used to optimize Yagi Antennas.
    [ Hits: 1862 | Votes: 10 | Rating: 7.8 ]
Technical Reference : Arduino
  • Remotino - Remote Monitor - An Arduino based remote monitoring system. The Remotino is a remote monitoring system based upon two Arduino Nano units RemotinoSampler and RemotinoViewer that are connected
    [ Hits: 488 | Votes: 3 | Rating: 6 ]
Technical Reference : Software Defined Radio
  • Hermes-Lite Low Cost HF SDR - The Hermes-Lite is a low-cost direct down/up conversion software defined amateur radio HF transceiver based on a broadband modem chip and the Hermes SDR project. It is entirely open source and open hardware, including the tools used for design and fabrication files. Over 300 Hermes-Lite 2.0 units have been successfully built.
    [ Hits: 518 | Votes: 0 | Rating: 0 ]

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