power supply 40v

Errante's virtual ground balun - Errante's virtual ground Balun, a state-of-the-art high power HF balun family.

The Small, Powerful Hex Beam - How to homebrew an hex beam antenna for 20 17 15 12 10 meters band by VA7ST

437 Mhz Crossed Yagi for Satellite work - Crossed yagi for 437 Mhz Satellite antenna, with power divider splitter build.

A 2.4Ghz Low-Power Vertical Collinear antenna - Antenna for 802.11 applications by Brian Oblivion and Capt.Kaboom

VK4ZXX Ham Radio blog - Blog site for various home brew projects including antennas, power dividers etc

Amateur Radio Technician Presentations - Power Point format course presentation for the Amateur Radio Technician Exam Licence

DMsolar - Solar Panels, Grid Tie Systems, Solar Power Kits, Solar Cells and more. DMsolar carries solar energy products for your needs.

I0JXX - The I0JXX is an italian company that offers market their projects, also sells electronic products of high quality, both for Ham, both Broadcast and their accessories. VHF Antennas, mosfet power amplifiers, filters, insulators, power dividers, telescopic poles, antenna masts

Microset - Power supplies, rf power amplifiers, dummy loads, frequency counters, repeaters antennas manufacturer based in Italy

MFJ Enterprises  ^pop - MFJ manufacturer of ham radio antenna products, antenna tuners, antenna analyzers, morse code & CW, SWR wattmeters, antenna accessories , power supplies, audio filters, TVI filters, baluns, coax switches and more

Gamma Research, Inc. - Home of the HPS-1a Gamma Hybrid Communications Power Supply. The HPS-1a is a very small, light weight , power supply that is most useful for hams who take their transceivers when traveling.

Ningbo Zhongce Dftek Electronics - SWR meters, Power supplies, millivoltmeters, Oscilloscopes, signal generators, function generators China.

GE Digital Energy - Relays, controllers, power meters, fault recorders, power sensing products

Agilent - Power analyzers, AC power sources products

Coaxial Dynamics - Manufacturer of precision equipment, Power meters Wattmeters

WSPRnet Weak Signal Propagation Reporter Network - A group of amateur radio operators using K1JT's MEPT_JT digital mode to probe radio frequency propagation conditions using very low power transmissions. Computer sent/received Morse signals received by amateurs and collected on an online database.

GME Supply Co - GME Supply Company is your complete source for communications infrastructures, antenna towers, antenna masts and mounts, antenna rotors, telescope towers, grounding.

Hifissb.com - Heathkit Icom Kenwood Power Transistors Ten Tec Yaesu spare Hamradio parts.

2 x 3-500Z HF Power Amp - A 2x3-500Z rf power amplifier for 80-10 meters

600W 50Mhz power amplifier - G3WZT design for a bi-polar 600W Linear Power Amplifier for the 6M band.

100W 50Mhz power amplifier - G3WZT design for a single stage bi-polar 100-150W Linear Power Amplifier for the 6M band.

QRP AM(cw) Transmitter for 10 meters - In this project, you will make a simple low-power broadcast-type circuit, using a crystal oscillator integrated circuit and an a collector modulated AM oscillator.

40 AMP Power Supply - G4YNM article on a 40A power supply unit

KD1JV MMR-40 dead bug style - A 40 meter rig with SSB and CW operating modes. This is a low power QRP rig with up to 6 watts CW or PEP output.

Calculating the Received RF Noise Power - Voacap, high-frequency ionospheric communications analysis and prediction