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om power

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• UR5VIB Online SDR - Online web SDR from central part of Ukraine powered by OpenWebRX KiwiSDR at UR5VIB
  [ Hits: 371 | Votes: 3 | Rating: 7.33 ]

• Pro Audio Engineering - High-quality products for broadcast and amateur radio. Kx33 Low-RFI AC Power Supply for HF Transceivers, Elecraft Heatsinks, Fair-Rite Mix 31 Ferrites
  [ Hits: 119 | Votes: 0 | Rating: 0 ]

• VA6AM Contesting Accessories - Custom built high and low power power band pass Filters, low band triplexers, triplexers and diplexers
  [ Hits: 119 | Votes: 0 | Rating: 0 ]

• Setting Up Your HF Station - From buying an amateur radio transceiver, choosing the correct power supply, selecting the antenna and its feed line, to choosing the best microphone and accessories. A nice presentation for beginners.
  [ Hits: 189 | Votes: 2 | Rating: 8.5 ]

• QRP is for Beginners - QRP is a Q-code originally meaning reduce power, but now has come to mean operating a radio that outputs 5 watts or less for CW or 10 watts for SSB.
  [ Hits: 116 | Votes: 2 | Rating: 9.5 ]

• SW-3B QRP CW RTX - The SW-3B is a Three-band CW QRP transceiver, Weight 180g, output power 5W at 12v, 2W at 9v, works on 40 30 and 20 meters band
  [ Hits: 121 | Votes: 0 | Rating: 0 ]

• ICOM IC756 Fan Modification - ICOM IC756 PRO II III, PS125 Fan Modifications, install an external cooling fan on the ICOM IC756 PROIII to minimize the heat on the chassis, then will perform a fan modification on the ICOM PS125 power supply to minimize the fan noise.
  [ Hits: 115 | Votes: 1 | Rating: 10 ]

• IC-7300 Amplifiers Interfacing - How to interface the Icom IC-7300 to RF Power amplifiers. Menu settings, cable connections and recommendations on how to avodi common errors that could even damage either the amplifier or the IC-7300
  [ Hits: 364 | Votes: 4 | Rating: 9 ]

• Power and VSWR Indication on the FT-817 - Reflected power and VSWR Metering on Yaesu FT-817, and proper interpretation of real values. The power output meter it is a relative indicator of the antenna match that the radio is experiencing. Reference table and how correctly read the values of the Yaesu internal meter.
  [ Hits: 148 | Votes: 0 | Rating: 0 ]

• VSWR Calculator - This calculator converts between VSWR and Return Loss, Reflection Coefficient, Mismatch Loss, and Reflected Power.
  [ Hits: 102 | Votes: 2 | Rating: 7 ]

• FGB Wakeup for Yaesu FT RTX - Home made freeware utility that allows to power on or shutdown the Yaesu FT rig. It has been tested on the FT-5000. It works also on FT 450 950 1200 2000 3000 5000 9000. It does NOT require any installation, just the exe files. Available in client server mode for remote connections
  [ Hits: 79 | Votes: 1 | Rating: 10 ]

• Transmission Line Details - This utility program shows the impedance and reflection coefficient parameters (SWR, reflection coefficient magnitude Rho, or Return Loss RL in dB) at both ends of a transmission line and the details of power loss in the line. It includes built-in specifications for approximately 100 different line types. You can modify the specs to see how small changes affect the results or to specify custom lines. All program inputs may be changed directly or you can use spin buttons to make the changes.
  [ Hits: 128 | Votes: 0 | Rating: 0 ]

• Ham Radio and Solar Power Systems - Can Home Solar Power and Ham Radio Coexist? It is possible, with minimal interference from the solar power system, provided you make some modifications.
  [ Hits: 342 | Votes: 1 | Rating: 9 ]

• 6m Amplifier with 2x Gi7b - A 50 MHz stable and small power amplifier, suitable for portable and domestic use. This RF Power amplifier delivers 900W with used pair of tubes primary installed into amplifier.
  [ Hits: 125 | Votes: 0 | Rating: 0 ]

• Digital SWR and Power Meter - This module is an analogue and digital SWR and power meter/monitor, designed to replace analogue SWR and power metering in an AM Transmitter project.
  [ Hits: 267 | Votes: 0 | Rating: 0 ]

• How to Make an Automatic 12V Battery Charger - A home made battery charger 110-220 v AC providing from 1.25-24 v DC Adjustable at 8 Amps output power, with Short Circuit Protection Over Load and over charge Protection.
  [ Hits: 154 | Votes: 0 | Rating: 0 ]

• Digital Dummy Load - Check your RF power with an easy to read and build digital display
  [ Hits: 103 | Votes: 0 | Rating: 0 ]

• The definitive guide to RF Power measurement - RF Power measurement using a DVM, RF Power measurement using an RF detector, RF Power measurement using an Oscilloscope and using a Spectrum Analyzer
  [ Hits: 137 | Votes: 0 | Rating: 0 ]

• TRX Eagle SDR - TRX Eagle is a ultra compact software defined radio for amateur radio bands. This all mode SDR features a 15W total power output.
  [ Hits: 446 | Votes: 1 | Rating: 1 ]

• Measuring with a MiniVNA - Measuring technicques using a MiniVNA, author describes how to determine and unknown inductance, or how to determine an unknown capacitance, crystals, how determine insertion loss and directional attenuation of couples and power dividers, coax switches or even common mode chockes.
  [ Hits: 186 | Votes: 1 | Rating: 1 ]

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