tech

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tech

842 links - and 6 categories

Antennas : 2M
  • A portable 2-element VHF yagi  pop - Build a portable VHF yagi antenna for 2 meters. All you need is two rabbit ear antennas from Radio Shack, two CATV baluns, four feet of 3/4 CPVC pipe with one tee.
    [ Hits: 28662 | Votes: 26 | Rating: 7.23 ]
Antennas : Beverage
  • Beverages: How Short Can They Be - When we think of Beverage antennas, we automatically think of several acres of land and lots of wire!
    [ Hits: 3759 | Votes: 4 | Rating: 8.5 ]
Antennas : Feed Lines
  • Setting the SWR of Your Antenna - SWR (standing wave ratio), is a measurement of how efficiently your antenna system will radiate the power available from your radio. In simple terms, your radio would like to radiate all of its power, but can only do so if the other components cooperate
    [ Hits: 1253 | Votes: 0 | Rating: 0 ]
Antennas : Homebrewing Techniques
  • Yagi Element Mounting Considerations - One of the most important considerations when designing and building a Yagi antenna is the method used to attach the elements to a boom. This is true because the boom influences the electrical length of the elements. In this article JH Reisert explain with drawings techniques on mounting yagi antenna elements to a boom
    [ Hits: 4305 | Votes: 2 | Rating: 8.5 ]
Antennas : Quad
  • Quad and ModQuad Antenna - Some thoughts on a "hardware-store special" 2-meter quad, and a modified quad for 2 or 10 meters by K3MT
    [ Hits: 7491 | Votes: 5 | Rating: 6.2 ]
Antennas : Stealth
  • Antennas and Grounds for apartments - Suggestions on finding RF ground when you live in an apartment and you want to setup an antenna
    [ Hits: 23159 | Votes: 12 | Rating: 5.75 ]
DX Resources : Contest : Contest Stations
  • PJ2T - Caribbean Contesting Consortium - The Caribbean Contesting Consortium is a contest club dedicated to fun, international friendship, and advancement of the contesting art through superior operating technique and maximum application of technology.
    [ Hits: 476 | Votes: 0 | Rating: 0 ]
Internet and Radio : Police Scanners
  • Live online streaming for arizona - Listen to original audio content from Flagstaff, Coconino County and Northern Arizona. Streaming Police scanner by azradiowaves.net
    [ Hits: 3131 | Votes: 13 | Rating: 4.7 ]
Manufacturers : Antennas : HF
  • The reflected W beam - Hexagonal wire beams for all hf bands, technical resource, EZNEC files, tools for antenna modeling and documentation. You can also order parts to build your own antenna.
    [ Hits: 2786 | Votes: 3 | Rating: 8.67 ]
Manufacturers : Lightning and Surge Protection
  • Malaysia Surge Protection - Global Lightning Technology - Malaysia lightning Malaysia surge protection system
    [ Hits: 1098 | Votes: 1 | Rating: 10 ]
Manufacturers : Tubes & Semiconductors
  • Eimac - Innovators in Power Tube Technology
    [ Hits: 1047 | Votes: 1 | Rating: 10 ]
Radio Equipment : HF Transceivers : Yaesu FT-817
  • Yaesu FT-817 Portable QRP Transceiver - The FT-817 is a small 5W MF/HF/VHF/UHF transceiver with internal batteries. Here is an assortment of technical information K6XX put together about this rig that might interest you.
    [ Hits: 10106 | Votes: 8 | Rating: 5.5 ]
Shopping and Services : Test equipment
  • Test & Measurement Equipment Buying Guide - Compare and select Test& Measurement equipment according to its technical parameters; access library of manufacturers specs and data sheets. TestBuyer.com
    [ Hits: 488 | Votes: 1 | Rating: 5 ]
Shortwave Radio : Beginner's guides
  • Getting Started in SW Listening - Excellent and exaustive guide to shortwave listening offered by monitoringtimes, includes operating guides, technical suggestions, buying guieds, antennas implementations and more, all what is needed by shortwave listening beginners.
    [ Hits: 5421 | Votes: 19 | Rating: 6.8 ]
Software : Internet Linking
  • CQiNet, linking Ham Radio - CQiNet is a family of programs that combine Ham Radio with the Internet using Voice over IP (VoIP) technology. Two programs are currently in the family, "theBridge" and echoLinux. Thebridge is a iLink/EchoLink compatable conference bridge that runs under various versions of Unix as well as Windows. EchoLinux is a EchoLink client program for the Linux operating system.
    [ Hits: 3660 | Votes: 4 | Rating: 7.5 ]
Technical Reference : CB Radios
  • Cobra Radios Service info - Service information, manuals, diagrams pictures and schematics, and technical files on Cobra Radios
    [ Hits: 10614 | Votes: 34 | Rating: 5.47 ]
Technical Reference : Grounding
  • Assorted grounding hints and kinks - Assorted Grounding Hints and Kinks and Technical Correspondence, Grounding Techniques, Conductivity in the Cold, Cold Ground, Is Your Radio Equipment REALLY Grounded?
    [ Hits: 3298 | Votes: 1 | Rating: 2 ]
  • Different grounds for different shacks - Technical questions answered about grounding techniques, in pdf file
    [ Hits: 3731 | Votes: 0 | Rating: 0 ]
  • Grounding Concepts - What is ground?RF ground and the ground plane, how can I tell if I have a good ground? ground loops
    [ Hits: 2667 | Votes: 7 | Rating: 8.1 ]
Technical Reference : HF Radios
  • Yahoo! Groups : TS-850S - Welcome to TS-850S HF Transceiver Owners Group. Group designed to discuss the attributes, usage and technical information sharing, concerning this Classic Transceiver. Please feel welcome to add your questions, information and comments. We hope you enjoy the Amateur Operators "Attribute of helping ones fellow operator". Valid AmateurCallsigns only, admitted.
    [ Hits: 1182 | Votes: 3 | Rating: 8.67 ]

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