USA

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USA

342 links - and 7 categories

Antennas : Feed Lines : Choke
  • About Common Mode Choke - A general article on CMC, common mode choke include a description and tipical usage.
    [ Hits: 886 | Votes: 0 | Rating: 0 ]
DX Resources : Contest : Contest Stations
  • W8JI Contest Station - Middle Georgia USA contesting station. Consistent record holder in 160 meter and 40 meter contests.
    [ Hits: 333 | Votes: 0 | Rating: 0 ]
Ham Radio : Clubs : North America : USA : Illinois
  • Metro DX Club - W9TY, the Metro DX Club of South Suburban Chicago, Illinois, USA.
    [ Hits: 282 | Votes: 1 | Rating: 10 ]
Ham Radio : Clubs : North America : USA : Pennsylvania
  • Keystone VHF Club of York, Pennsylvania, USA - Having Fun & Fellowship since 1955. The Keystone VHF Club has extensive facilities right outside Rocky Ridge Park just northeast of York, PA.
    [ Hits: 553 | Votes: 0 | Rating: 0 ]
Internet and Radio : Classifieds Internet and Radio : Live streaming Internet and Radio : Police Scanners Operating Modes : APRS
  • Southeast Ohio APRS Development - Collection of overview, technical and planning mterials related to the ongoing development of APRS services in and around Athens County, Ohio USA
    [ Hits: 209 | Votes: 1 | Rating: 8 ]
Propagation : Propagation Forecast
  • Radio Mobile - Usage guide - This website is dedicated to Radio Mobile. Radio Mobile is software by Roger Coudé VE2DBE. The program simulates RF propagation and is for free to the amateur radio community. All you want to know about Radio Mobile can be found here.
    [ Hits: 403 | Votes: 1 | Rating: 6 ]
Radio Equipment : HF Transceivers : Kenwood TS-480
  • RemoteRig for TS-480 - Remote usage solution for Kenwood TS-480
    [ Hits: 679 | Votes: 0 | Rating: 0 ]
Radio Equipment : VHF-UHF Handhelds : Kenwood TH-D7A-E Shopping and Services : Cables and Connectors
  • ABR Industries - Coax Cable manufacturer in USA
    [ Hits: 339 | Votes: 0 | Rating: 0 ]
Shopping and Services : Electronic Components
  • AFR Enterprises - AFR Enterprises a leading distributor of electronic components, semicondustors, diodes, Resistors, Integrated Circuits across the USA.
    [ Hits: 426 | Votes: 2 | Rating: 10 ]
Shopping and Services : Electronics
  • All electronics - Thousands of electronic and electro-mechanical parts and supplies at discount prices.
    [ Hits: 377 | Votes: 0 | Rating: 0 ]
Shopping and Services : Scanner stores
  • ZipScanners - Police radio scanners, accessories online shop includes radio scanner resources based in Minneapolis, MN USA
    [ Hits: 269 | Votes: 0 | Rating: 0 ]
Software : Circuit Design
  • Coil32 - Coil32 is a free coil inductance calculator, that allows to calculate: single layer and multi layer air core coils, toroidal air core coils, inductors on ferrite rings, in pot core, flat coils on the PCB, and also LC resonance parameters. The program have additional plugins to calculate another kinds of coils. The application is free for usage and distributing.
    [ Hits: 1571 | Votes: 6 | Rating: 7 ]
Technical Reference : Amplifiers
  • ALC for real - Learn more about ALC usage in RF Amplifiers and how it really effects things from an operational point of view.
    [ Hits: 433 | Votes: 1 | Rating: 1 ]
Technical Reference : DTMF
  • APRS-to-DTMF Gateway on a Chip - Converting local APRS data to DTMF paging format for display on the tens of thousands of DTMF Paging Radios.
    [ Hits: 340 | Votes: 1 | Rating: 6 ]
  • DTMF in amateur radio - About usage of DTMF Dual Tone Multi Frequency in ham radio applications
    [ Hits: 270 | Votes: 0 | Rating: 0 ]
Technical Reference : Filters
  • Bandpass Filters for Portable Usage - These are QRP rated 3 Pole Butterworth filters based on a design by K4VX, feature simplicity, almost no insertion loss, and reasonable rejection on the other ham bands.
    [ Hits: 534 | Votes: 0 | Rating: 0 ]

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