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• Quad Antenna System by Pfeiffer Maltese  ^pop - Excellent Quad Antenna projects for 40 20 17 12 10 and 6 meters band in this pdf file project by Pfeiffer Maltese
  [ Hits: 39227 | Votes: 13 | Rating: 7.54 ]

• Recycling TV Antennas for 2-Meter Use - Green that aluminum into something useful right in your own backyard by WB2CQM
  [ Hits: 1126 | Votes: 1 | Rating: 8 ]

• A 5/8 wavelength mobile whip - by Lou Blasco VK3ALB
  [ Hits: 2111 | Votes: 4 | Rating: 4.25 ]

• Antena gamma match - Gamma match antenna is an antenna 1/2 additional lambda with the impedance matching more flexible arrangements (var capacitor) by sliding through the gamma match/road.
  [ Hits: 2179 | Votes: 10 | Rating: 4.1 ]

• K6FI Ham Radio Experience - This site is about K6FI experiences with Ham Radio, Antenna's and various other techie toys dealing with the hobby.
  [ Hits: 240 | Votes: 1 | Rating: 7 ]

• RW3WWW Amateur radio club SPORADIC - Students amateur radio club SPORADIC of Kursk's state technical university . In entire lifetime the radio station worked under the main calls: UA3KUO, UK3WAF, UZ3WWW, RW3WWW, and also used more than 60 calls in radio-expeditions(RC3W, R6SE, RP3W, RI1OP, RI1SI, R6SC). The chief of radio station since 1977 is Pikkiev Valery RW3WW.
  [ Hits: 285 | Votes: 0 | Rating: 0 ]

• RYMSA - The RYMSA Corporation designs, manufactures and distributes a wide range of sophisticated antennas and components for the telecommunications industry supplying technical solutions tailored to the needs of its clients around the world.
  [ Hits: 529 | Votes: 0 | Rating: 0 ]

• NP Technologies Inc - Design, develop, test and manufacture a wide range of Amplifier products including highly linear class A Broad Band, Cell Band, Pulse, AM & FM broadcast and Military VHF
  [ Hits: 368 | Votes: 0 | Rating: 0 ]

• Voldatech - Voldatech Telecommunication & Networking Solutions, RF Coax cables and connectors manufacturer based in China
  [ Hits: 270 | Votes: 0 | Rating: 0 ]

• LBA Technology - LBA - DTV & RF test systems; AM antennas; RF shielding; RF compliance, safety, interference, intermodulation services; AM detuning, Antenna SWR Analyzers
  [ Hits: 688 | Votes: 1 | Rating: 7 ]

• 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 ]

• Inside The Drake TR-7 - The intent of this article is to help the semi-non-technical person understand what is inside the Drake TR-7(A) Transceiver, how it works, and discusses simple adjustment and modifications the end-user can perform
  [ Hits: 562 | Votes: 0 | Rating: 0 ]

• KENWOOD TS-480 Series In-Depth Manual - This document contains a great deal of information regarding the engineering intentions, design and technical information pertaining to the exceptional TS-480 series (TS-480SAT and TS-480HX) rigs
  [ Hits: 843 | Votes: 3 | Rating: 2.33 ]

• Windipoles - Windipoles is a free passive real time filter simulator. Developed under Visual Studio .NET. No software installation required. Allows design, analysis, optimizations and plots, all graphically.
  [ Hits: 3095 | Votes: 31 | Rating: 7.52 ]

• The G2DAF Linear Amplifier - Scans of original G2DAF articles on his HF linear amplifier using QY3-125 tube
  [ Hits: 1820 | Votes: 5 | Rating: 3 ]

• W3LPL Receiving Bandpass Filters - Project of receive only filters optimized for minimal loss and very high rejection of frequencies below 75% of the filter center frequency by K1TTT
  [ Hits: 1083 | Votes: 0 | Rating: 0 ]

• Anatomy of a Loudspeaker - There are a number of important technical issues relating to the matching of speakers to amplifiers, and to the wiring of multiple speaker systems
  [ Hits: 430 | Votes: 0 | Rating: 0 ]

• Regenerative receiver for beginners - A modern version of the classic regenrative receiver designed and built by Charles Kitchin ARRL Article
  [ Hits: 7134 | Votes: 3 | Rating: 4 ]
• Regenrative Receiver Design - N1TEV high performace regenerative receiver design
  [ Hits: 3410 | Votes: 0 | Rating: 0 ]

• How to solder - This guide focuses on soldering for the beginner and explains how you can solder a variety of components using a few different techniques - from the classy to the downright caveman.
  [ Hits: 401 | Votes: 0 | Rating: 0 ]

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