design

design

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• The Little Stick Antenna  ^pop - The Little Stick antenna is an aluminium version of the Vertical Bazooka design which was made from coax.
  [ Hits: 33939 | Votes: 7 | Rating: 1.85 ]

• Hex Beam for 6 meters - This is a hex beam designed for six meters. It has three elements with a turning radius of 54 inches. This antenna can be built from low cost materials available from the local hardware store. By WB3BEL
  [ Hits: 4668 | Votes: 6 | Rating: 7 ]

• Small Transmitting Loop Antenna Calculator - A free online calculator for making all of the calculations required to design and build small transmitting loop antennas, also known as magnetic loops by 66pacific.com
  [ Hits: 5083 | Votes: 19 | Rating: 7.05 ]

• Folding J-Pole Antenna - Also known as the Backpacker's Delight Antenna. This Folding J Pole Antenna is the original design of Mike Heiler KA0ZLG and was featured on the Front Cover of the March 2005 QST Magazine.
  [ Hits: 8152 | Votes: 21 | Rating: 7.28 ]

• The EZ-Tuner - The "EZ-Tuner" is a homebrew automatic legal-limit antenna tuner that covers all amateur HF bands from 160-10 meters. Using a T-network design and controlled by a BASIC Stamp BS2sx microcontroller, the EZ-Tuner will match at least a 16:1 VSWR for either unbalanced or balanced transmission lines.
  [ Hits: 5569 | Votes: 1 | Rating: 9 ]

• Do-It-Yourself Wireless Antennas - Your guide to wireless antennas, how to build a wireless antenna without spending much money The Pringles Cantenna, Coffee Can Antenna, Parabolic Reflector and Antenna Designs. Combine a homemade Tripod Mount with an inexpensive Pistol Grip and go Wardriving.
  [ Hits: 10999 | Votes: 10 | Rating: 6.3 ]

• Wisconsin Michigan CB Radio And Scanner Club - Here you will find an assortment of related links to some of the best CB and Scanner Sites on the Web. As well as a wealth of information on these two hobbies and others including articles on Ham Radio and other wireless technologies.
  [ Hits: 646 | Votes: 9 | Rating: 10 ]

• Super Bertha - Superbertha is an aesthetic, rotating monopole, custom designed and built specifically to fit your needs. a superbertha can be designed to any height you need or desire. there are many benefits of a superbertha, versus a standard guyed tower.
  [ Hits: 2418 | Votes: 2 | Rating: 5 ]

• Cleveflex - Clevaflex is a manufacturer of flexible wound tubing that can be used in a variety of applications. our unique manufacturing process allows tubes to be designed and built with a multi-ply convoluted wall contour that creates a permanently bonded tube.
  [ Hits: 818 | Votes: 0 | Rating: 0 ]

• RF Circuit design basics - Ebook by Akira Matsuzawa Tokyo Institute of Technology, Building blocks in RF system and basic performances, Device characteristics in RF application , Low noise amplifier design, Mixer design and Oscillator design
  [ Hits: 1272 | Votes: 1 | Rating: 1 ]

• Graham's scanner frequencies - Grahams Goldcoast Australia Radio Scanner Frequencies
  [ Hits: 1589 | Votes: 3 | Rating: 4 ]

• ACARS Analyser - Designed to work with all the major ACARS data capturing programs and enable users to get a complete picture of all the aircraft in there database, where they go and what they have done in the past.
  [ Hits: 9967 | Votes: 15 | Rating: 3.66 ]

• NBEMS - The Narrow Band Emergency Messaging System (NBEMS) for Windows is a suite of software programs designed for point-to-point, fast, error-free, emergency messaging up to or over 100 miles distant, and takes up a very minimum of frequency space on the ham bands, leaving more space for other ham activites.
  [ Hits: 1308 | Votes: 1 | Rating: 10 ]

• Ipox5 radio link system - Ipox5 is the freeware version of a commercial radio linking system, designed for amateur, nhw, emergency communications etc. It is optimised for mobile broadband and difficult IP links. It allows PC access, and up to 100 users on your link at one time. Usefull for multiple PMR446 use on very large sites. Works under Windows 98, XP, Vista, and Linux (under Wine)
  [ Hits: 1421 | Votes: 1 | Rating: 10 ]

• Free Sun Power - Free basic and advanced system design tutorials for every component and aspect of solar power. Plus system sizing calculators, battery bank calculators and wire size calculators
  [ Hits: 939 | Votes: 2 | Rating: 6 ]

• TANKIT - A free design aid for vacuum tube linear RF power amplifiers. Determine plate circuit operating parameters and design pi or pi-L tanks quickly and easily.
  [ Hits: 1942 | Votes: 3 | Rating: 10 ]

• A low cost UHF/VHF duplexer - Duplexers for dual band radio are usually high pass filter and low pass filter combined in the same box. This circuit is a design within a cost of US$10.
  [ Hits: 8615 | Votes: 16 | Rating: 5.88 ]

• Second-Harmonic-Optimized Low-Pass Filters - Sometimes we need a little more output filtering than traditional designs offer. Look at a new filter that can give you that extra boost. QST article by W3NQN
  [ Hits: 878 | Votes: 0 | Rating: 0 ]

• RF Actuated Keying Monitor - Battery-powered monitor designed to provide an audible indication of keying for those whose rigs lack a CW sidetone
  [ Hits: 532 | Votes: 0 | Rating: 0 ]

• Phase Noise. - This is perhaps the most important parameter in many oscillators and it deserves an in-depth discussion on what it is, how it affects a system and how it can be minimised in an oscillator design.
  [ Hits: 612 | Votes: 0 | Rating: 0 ]

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