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• Vertical antenna for 160 meter - This high antenna require a large ground composed by 40 radials. It's not very handy expecially in windy situations but is very powerfull in pile-ups. In italian
  [ Hits: 4137 | Votes: 1 | Rating: 10 ]

• Feeder Radiation - Connecting centre fed antennas, dipoles, yagis, rhombics, loops to coaxial cable, unless care is taken, it is not difficult to end up with feeder radiation resulting in power loss and the radiation characteristics changes
  [ Hits: 1830 | Votes: 4 | Rating: 8 ]

• DCTL Portable Antenna - A Low -Power, Distributed Capacitance Twisted Loop , indoor portable HF antenna by Monty Northrup, N5ESE
  [ Hits: 2159 | Votes: 2 | Rating: 10 ]

• NOGA QRP club - Small, but growing, group of amateur radio enthusiasts, most of whom are within 90 miles of Atlanta, are interested in promoting the development of the branch of amateur radio known as QRP - building and operating low power transmitters, receivers and transceivers.
  [ Hits: 1625 | Votes: 5 | Rating: 8.2 ]
• Knightlites QRP Club - The KnightLites QRP Association is a world wide fellowship of low power (QRP) amateur radio communications enthusiasts founded in 1996, and is coordinated through the efforts of a small group of radio amateurs located in the Research Triangle region of North Carolina in the United States.
  [ Hits: 682 | Votes: 2 | Rating: 9.5 ]

• Comet Antennas - NGC is now distributor for COMET and MALDOL brand antenna products designed, manufactured in Japan. Distributor of DAIWA brand RF SWR/power meters and switching power supplies, antennas, test equipment, antenna analyzers and more
  [ Hits: 21941 | Votes: 35 | Rating: 5.56 ]

• Maxdao Technologies - Maxdao: offer you 7/16, N coaxial connectors, jumper cables, feeder clamps and grouding kits, surge arresters & brackets, wall entries and microwave components used in base tower, power dividers, couplers
  [ Hits: 547 | Votes: 1 | Rating: 10 ]

• Astrodyne - Dedicated to the design, manufacturing, technical support, and delivery of innovative and cost effective power solutions for worldwide applications. AC/DC switching power supplies and DC/DC converters.
  [ Hits: 685 | Votes: 0 | Rating: 0 ]

• Zetagi  ^pop - Zetagi CB amplifiers, 10m amplifiers and accessories, power supplies, microphones, SWR and power meters, battery charges manufacturers based in Italy
  [ Hits: 26121 | Votes: 70 | Rating: 5.59 ]

• Madell Technology Corporation - Makers of oscilloscopes, spectrum analyzers, frequency counters, power supplies and more testi equipment products
  [ Hits: 1103 | Votes: 4 | Rating: 5.5 ]

• A Guide to Test Equipment - That just about sums up many peoples attitude towards test equipment. Multimeter, SWR/Power Meter, Dip Oscillator, RF Signal Generator, Cathode Ray Oscilloscope
  [ Hits: 2195 | Votes: 0 | Rating: 0 ]

• ICOM IC-706MKIIG Tech Note - If your IC-706MKIIG will not power up without even hearing a relay click, check the state of the HV line.
  [ Hits: 2932 | Votes: 9 | Rating: 7.22 ]

• Duracell DR36 battery to the FT 817 - The Duracell DR 36 laptop battery can be easily find and supplies 12 volts X 4 amperes. The main advantages on this system are, the weight, size, quick battery changing and no stress to the FT 817 power connector by PY1AHD
  [ Hits: 2730 | Votes: 7 | Rating: 3.29 ]
• Powering the FT-817 - Coupling the Duracell DR36 battery to the FT 817 The main advantages on this system are, the weight, size, quick battery changing and no stress to the FT 817 power connector
  [ Hits: 1226 | Votes: 1 | Rating: 10 ]

• JavaScript Electronic Notebook, K7MEM - It consists of a group of JavaScript driven web pages that are intended for use as a quick reference for Ham Radio operators or just anyone interested in electronics. Offer calculators for Resistors, capacitors, inductors, power supplies, filters, attenuators and antennas
  [ Hits: 3222 | Votes: 16 | Rating: 7.62 ]

• Aether - Aether is an ham radio logging for the Mac. Aether gives hams logging software that is as powerful, easy to use, and good looking as the operating system it runs on. Designed from the ground-up using Apple's Cocoa, Aether supports the latest Mac OS X technologies, and provides the experience that Mac users expect.
  [ Hits: 3059 | Votes: 10 | Rating: 8 ]

• PSK31 Deluxe  ^pop - PSK31 Deluxe is a PSK31 and PSK63 program for novices and power users. It has been replaced by Digital Master 780 and is now a legacy product. The last version of PSK31 Deluxe was shipped with the HRD 4.0 SP4 kit and is no more availabe and supported.
  [ Hits: 25873 | Votes: 61 | Rating: 6.44 ]

• Using Solar Power and 12 Volt Batteries - The sun can power your Ham station and a whole lot more. Using solar power panel with a 12 volt battery can permit you to operate autonomously even for several hours without interruption.
  [ Hits: 2126 | Votes: 4 | Rating: 6.5 ]

• Astron RS35m Power Supply Schematic - Astron RS35m Power Supply Schematic annotated with Notes from QST Hands-On Radio, "Experiment #35 Power Supply Analysis" PDF File
  [ Hits: 10242 | Votes: 32 | Rating: 8.25 ]

• Low-Power Transceiver Kits You Can Build - A Comprehensive roundup of the most popular QRP transceiver kits on the market in recent years in PDF format
  [ Hits: 2419 | Votes: 1 | Rating: 10 ]

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