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• Efficiency of the Z Match - Various configurations of the Z Match Tuner are tested for power efficiency over a wide range of antenna load conditions
  [ Hits: 968 | Votes: 4 | Rating: 5.5 ]

• The Z Match Using a Toroidal Core Coil - Combined with Miniature Tuning Gang Capacitors, a toroidal core inductor is a means to assemble a compact Z Match assembly for Low Power (QRP) use.
  [ Hits: 608 | Votes: 0 | Rating: 0 ]

• VK9CZ Log - Search the Online Log for VK9CZ DXPedition powered by clublog
  [ Hits: 240 | Votes: 0 | Rating: 0 ]
• TO2SP Online Log - TO2SP dx pedition Online log powered by qsodirector log system
  [ Hits: 423 | Votes: 0 | Rating: 0 ]
• 6060 Online Log - Search the 6060 dx pedition to Somalia online log powered by club log
  [ Hits: 226 | Votes: 0 | Rating: 0 ]

• VK4ZXX Ham Radio Projects Brisbane - Ham radio, amateur radio, satellite communication, radio, radios,antenna, antenna design, yagi, cross yagi, power divider, splitter, Brisbane.
  [ Hits: 246 | Votes: 0 | Rating: 0 ]

• Small Panel Kits - High performance, IPX7 waterproof small solar panels and battery packs to power radios, sensors, and other portable devices. Solar panels are UV and scratch resistant for long-term use in the field.
  [ Hits: 331 | Votes: 0 | Rating: 0 ]

• HA8DU Antenna Tuners - HA8DU European manufacturer of quality amateur radio antenna tuners for HF Bands, from 10 meter to 160 meters band. Products includes manual and automatic antenna tuners, power handling till 3.5 KW. HA8DU produce even custom made variable capacitors and rotary switches.
  [ Hits: 399 | Votes: 4 | Rating: 7.5 ]

• Duracomm Power Supplies - Power Solutions for Durable Communication Systems. Founded in Sep. 1992, DuraComm Power Supplies is a worldwide recognized leader in ultra-reliable AC-to-DC switch mode power supplies commonly used in the communications industry.
  [ Hits: 140 | Votes: 0 | Rating: 0 ]

• Using APRS to Report Weather Observations - A power point presentation on APRS, explaining how to report weather data conditions via the APRS System
  [ Hits: 848 | Votes: 0 | Rating: 0 ]

• MorsePower - A blog about Morse but mostly about using CWCOM a simple but effective method to learn morse code, communicating using morse code over the internet
  [ Hits: 486 | Votes: 0 | Rating: 0 ]

• Solar Powered 12V Ham Radio Station - This article shows how to power an amateur radio station from solar power using four kits that have been designed to work together in a modular way, each kit provides a unique function.
  [ Hits: 553 | Votes: 1 | Rating: 10 ]

• M0VKK VHF UHF Liear Amp - A combined 1KW VHF, 500W UHF linear power amplifier homebrewed by M0VKK
  [ Hits: 288 | Votes: 0 | Rating: 0 ]

• Reparing a Heathkit SB-101 - A document describing the reparing and restoration of an old Heathkit SB-101 power amplifier
  [ Hits: 325 | Votes: 0 | Rating: 0 ]

• 1250 W Power Amplifier for 50 MHz - The power amplifier 6 meter band tetrode GU-43B / 4CX1000 - 1250 W
  [ Hits: 375 | Votes: 0 | Rating: 0 ]
• VHF FM Power Amplifier - A 144MHz FM class C RF Power Amplifier based on a 2N6084 RF transistor, that can produce 50w output max
  [ Hits: 518 | Votes: 2 | Rating: 4 ]
• Harris Platinum Solid State Power Amplifier for 50 or 70 MHz - Harris Platinum I Solid State Channel 2, and 3 TV Amplifier Modules for use, on 50 or 70 MHz
  [ Hits: 319 | Votes: 2 | Rating: 10 ]
• A cool KW linear amplifier for 50 MHz - Larcan LoLo 1KW 6m Amplifier, is a cool power amplifier for 50 MHz thanks to the digital television revolution.
  [ Hits: 577 | Votes: 0 | Rating: 0 ]

• A simple QRP Power Meter Project - A really simple project to make a power meter measuring RF output powers from a few mW up to half a watt. A DIY amateur radio project for QRP enthusiasts
  [ Hits: 463 | Votes: 0 | Rating: 0 ]

• Digital SWR Meter with Arduino - Inline RF Power & VSWR Meter. A DIY meter 0 to 30 Watt with Average and Peak. Circuit Description, Arduino Nano software code and part list to DIY your own Digital SWR Meter
  [ Hits: 3357 | Votes: 17 | Rating: 5.93 ]

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