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• 50MHz Power Splitters - Splitting an antenna between two receivers or in use as the phasing harness in stacked antennas where there is a need to equally split the power from the transmitter between two antennas
  [ Hits: 3243 | Votes: 6 | Rating: 8 ]

• Homebrew Balun Case - Balun case construction, tipically to host toroid cores. Size of case depends on power to handle. By DL5DBM
  [ Hits: 1345 | Votes: 1 | Rating: 10 ]

• Tenna Dipper Kit - The "Tenna Dipper" is a low power antenna analyzer and ATU tuning aid. With this handy accessory, you can determine the 50 Ohm resonance frequency of antennas or you can adjust your antenna tuner for a 50 Ohm match without generating QRM
  [ Hits: 4037 | Votes: 4 | Rating: 3.25 ]

• Sunlight Energy Systems - Sunlight Energy Systems provides charge solar controllers and power supply products for amateur radio applications and solar panels usage
  [ Hits: 2015 | Votes: 2 | Rating: 10 ]

• Bear Electronics Amplifiers - Manufacturer of big power amplifiers
  [ Hits: 8672 | Votes: 13 | Rating: 7.16 ]

• Impulse Electronics - Power connectors, power cables, coax cables, wires, batteries fuses and holders and tools
  [ Hits: 1134 | Votes: 3 | Rating: 10 ]
• Anderson Power Products - Electrical power connectors
  [ Hits: 918 | Votes: 1 | Rating: 10 ]

• Watts Unlimited - Engineering Solutions for Unique Problems. Manufacturer of high Voltage, high Current, high Power Power Supply
  [ Hits: 1689 | Votes: 3 | Rating: 7 ]

• Near-Real-Time F2-Layer Critical Frequency Map - This map can be used to determine the frequencies that will always be returned to the Earth. Transmitted frequencies higher than the indicated contours (which are given in MHz) may penetrate the ionosphere, resulting in lost power to space. The map shows the radio auroral zones as green bands near the northern and southern poles.
  [ Hits: 5270 | Votes: 24 | Rating: 4.84 ]

• 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 ]

• HL1INF RF Amplifiers - Circuits, pictures and data about toroids, tubes and home made power amplifiers
  [ Hits: 2431 | Votes: 1 | Rating: 10 ]
• AG6K Richard L. Measures - Articles and original manuscripts on RF power amplifiers
  [ Hits: 2858 | Votes: 16 | Rating: 9.2 ]

• K0GKD Solid State amplifier - High Power Solid State 600 Watts Output Motorola MRF 150 FETs
  [ Hits: 4882 | Votes: 15 | Rating: 7.34 ]

• Vacuum Tube Amps - How the tube converts DC to RF Power
  [ Hits: 1447 | Votes: 1 | Rating: 10 ]

• JH5LUZ Room - 1296MHz M57762 * 16 Power AMP 16V 100A 1.6KW Input
  [ Hits: 1173 | Votes: 3 | Rating: 7.33 ]
• 10 Ghz 1W Power Amplifier - 1 watt amplifier for 10 ghz made from surplus stuff
  [ Hits: 2054 | Votes: 1 | Rating: 10 ]
• Medium Power Amplifiers for 24Ghz - By John Hazell G8ACE
  [ Hits: 695 | Votes: 1 | Rating: 10 ]

• Build An Audio Speech Processor - When one operates at low power on SSB, speech processing becomes almost essential to get through the QRM. The circuit is a low cost speech processor that will perform well with a minimum of construction effort.
  [ Hits: 4089 | Votes: 13 | Rating: 7.3 ]

• 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: 2420 | Votes: 1 | Rating: 10 ]

• Digital QRP SWR & Power meter - A KD1JV Melt solder kit, a swr and power meter operating from 160 to 6 meters ideal for portable and field use
  [ Hits: 6232 | Votes: 6 | Rating: 3 ]

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