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• EH antennas and CFA antenna - Many antennas function because of common mode currents, rather than working in spite of them. Two popular examples are CFA and EH antennas. Another recent example, appearing in Antennex's compact antenna articles, is a thick stub "vertical" with no counterpoise.
  [ Hits: 2015 | Votes: 3 | Rating: 5.67 ]

• An End Fed Half Wave Antenna  ^updated - This end fed type of antenna was marketted in the UK and is a useful system for the portable set-up. Being a half wave, no radials or counterpose wires are needed.
  [ Hits: 4738 | Votes: 0 | Rating: 0 ]

• Attic Antennas  ^updated - Attic antennas can work better than you might think, some of mine work as well as their outside counterparts
  [ Hits: 24864 | Votes: 12 | Rating: 7.7 ]

• Aceco - Frequency counters, bug finder, RF testers, distributed by WiMo Antennen
  [ Hits: 1695 | Votes: 2 | Rating: 5.5 ]

• Optoelectronics - DTMF, RF, decoders receivers and accessories icluding computer interface boards, frequency counters, tone decoders, spectrum sweeper and nearfield receivers
  [ Hits: 3978 | Votes: 5 | Rating: 6.2 ]

• Delta Technology - DELTA Technology is specialized in the lightning protection field, surge arresters, lightning counter.
  [ Hits: 1255 | Votes: 12 | Rating: 9.25 ]

• OAK Hills Research - CW transceiver kits, QRP, frequency counters, QRP wattmeters, Dummy loads and QRP Parts
  [ Hits: 4409 | Votes: 3 | Rating: 6.5 ]

• Counter Surveillance - Field Strength Meter - The zap checker is a counter surveillance, bug detector, field strength meter
  [ Hits: 822 | Votes: 1 | Rating: 10 ]

• Madell Technology Corporation - Makers of oscilloscopes, spectrum analyzers, frequency counters, power supplies and more testi equipment products
  [ Hits: 1096 | Votes: 4 | Rating: 5.5 ]

• International Components - International Components Corporation has an extensive range of electronic components consisting of audible signal devices, speakers, microphones, capacitors, electron tubes, connectors, and accessories designed in recognition of the diversity of applications and special characteristics encountered by designers in today's complex world.
  [ Hits: 1699 | Votes: 0 | Rating: 0 ]

• Fox Delta Amateur Radio Projects & Kits by VU2FD - Amateur Radio Projects & Kits for homebrewers, includes DDS,sound card interface,programmers, hamcom, frequency counter, RF Power Meter, modems and more.
  [ Hits: 1290 | Votes: 4 | Rating: 10 ]

• TACLog - Free format input, User selectable usage of reports, counters for DXCCs, WWL, DOK/UK Counties/CQ/ITU/States/Provinces and more
  [ Hits: 2053 | Votes: 9 | Rating: 7.45 ]

• Audio Spectrum Analyzer - OscilloMeter  ^pop - Audio Spectrum Analyzer for Real-time, FFT, OscilloScope, Frequency counter, voltmeter, noise and distortion meter, phase shift meter. Multi-Tone Sound Frequency Sweep Generator. White, pink noise.
  [ Hits: 89658 | Votes: 327 | Rating: 6.19 ]
• Soundcard Audio Tools and Toys - Soundcard audio tools and toys, experimental ideas and utilities. Signal Generator, Frequency-counter / instrument-tuner, Real-time Spectrum Analyser
  [ Hits: 14566 | Votes: 16 | Rating: 7.75 ]

• Firestik Library - Information regarding CB radio and the problems you may encounter during installation and use of your system.
  [ Hits: 4824 | Votes: 19 | Rating: 8.73 ]

• 40MHz Frequency Counter Module - Design for a very low cost 6-digit frequency counter module using of the shelf components
  [ Hits: 2325 | Votes: 5 | Rating: 4.8 ]
• Walford Counter Kit Frequency Counter Kit Construction - homebrew a frequency counter by M1HOG
  [ Hits: 1144 | Votes: 0 | Rating: 0 ]
• 50MHz frequency counter, V-meter - Circuit schematic PCB and photo documentation on building a 50 Mhz frequency counter
  [ Hits: 6593 | Votes: 10 | Rating: 4.55 ]
• Build a logging frequency counter - Pictures, photos, source code and plans to build a logging frequency counter
  [ Hits: 2109 | Votes: 2 | Rating: 2.5 ]

• QRP equipment - Simple QRP rigs, Transceivers with single side band direct conversion receivers, Receivers, Frequency counters for QRP
  [ Hits: 12796 | Votes: 10 | Rating: 8.79 ]

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