solar charger constructi

Balun construction - problems with iron cores - Lots of information and measurements relating to HF baluns and transformers constructed using Iron Powder cores

The Thick Loop - The performance of a small magnetic loop can be improved constructing it larger, thicker or both. The antenna is covering from 12 Megahertz to 32 megahertz and adding a 156 Pico farads ceramic capacitor it resonates on the 40 meters band. by PY1AHD

Tuning moxon antennas - More on the tuning of Moxons, getting the best F/B ratio and the lowest SWR, moving the feeding point and other constructions considerations

Self supporting 80M Vertical - A self supporting vertical antenna for 80 meters by W9OY include pictures and construction details

K7JM Amateur Radio Blog and Web Site - radio.McDougallsHome.net The Web site and Blog of Amateur Radio Station K7JM. Homebrew, Construction, Operating, and Discussion

Sunelco - Solar and wind energy products, Water Pumping, Hydro power solution, chargers inverters, batteries, Hydrogen Fuel Cells

Real Goods - Sale and service of renewable energy products in the world. Solar panels.

United Solar Ovonic - Leader in building rooftop photovoltaics and other solar power products. Manufacturer of thin-film solar laminates UNI-Solar

SOL-Lite Mfg. Ltd - Consumer solar power products, portable solar panels maker, Solar Mini Panels & Control Electronics.

Solar Style - Portable chargers based on solar panel cells

BG Micro - All kind of electronic components, Hobby Electronics and Parts, motors, Sun power solar panels, switches, rechargeable batteries, RF Coils, Coils and Chokes

Hi-Line Utility Supply - Furnishing Quality Tools & Equipment For Construction and Maintenance of Above and Underground installations.

Suntracker: Wayne State University - Suntracker : high altitude, balloons, weather station, stratosphere, solar cells

Solar Activity and 3-day Predictions - Prepared jointly by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center and the U.S. Air Force.

Solar Cycle Progression - The charts on this page depict the progression of the Solar Cycle. The charts and tables are updated by the Space Weather Prediction Center monthly using the latest ISES predictions

Solar Panel Store - Focus on solar power products that function in the harshest environments, designed for years of reliable service.

AEE Solar - Wholesale distributor of alternative power products, solar panels

Advanced Energy Group Store - Portable solar power products and other solar and wind energy equipment

ARRL Emergency Power - Using portable generators during emergencies or at field day site, using batteries and how to recharge them, using solar panels.

Coax Cable Antenna Switch, homebrew - KO4NR coax cable antenna switch construction by ve3cgc

Low Pass Filter Construction - Low Pass Filter Module Construction Manual

Tools and Links for RF Power Amplifier Builders - This document lists a few tools, documents and websites which are valuable in the design and construction of amateur RF power amplifiers. The list is small but it represents a good starting point for the amateur amplifier builder.

Lightning! The Porcupine - An ElectroStatic Discharge Device, Static Discharger, Static Brush or Static Wick

De-soldering - An overview of some of the ways, and the key tips on how electronics soldered joints can be unsoldered or desoldered.

How to solder - Key facts about how to solder, how to solder wire, how to solder pcb's, and including general soldering techniques and the best ways of making good solder joints for electronic circuits and construction. Includes video