solar charger constructi

Cobweb Antenna Construction Details - Detailed instructions to construct a Cobweb antenna with lots of great photos

30 40 Meter Hex Beam Antenna - A hex beam antenna construction project for 30 and 40 meters band by N6AQ

Building UHF Antennas - This method of construction can be used on most UHF through \"low\" microwave Yagis, and is especially useful for the 33, 23 and 13 cm bands

Open Sleeve Elements - The construction principles for open-sleeve elements in antennas

Horn antennas - About horn antennas, dimensions for construction of a series of microwave horns

2M Aluminum Slim Jim Antenna - Slim Jim Design and Theory and construction detaoils

GB3JB 2m Repeater - Willoughby Hedge - The Green Repeater Powered by Wind and Solar Energy

EI4GYB Amateur Radio in Ireland - Amateur and ham radio news from Ireland with propagation reports, solar alerts, contest activity and news, Crank up tower installation and tips

PVPower.com Solar Panels - PV Solar Panels, Photovoltaic Panels, Solar Power

Current solar images - Images from the Solar Dynamics Observatory and Atmospheric Imaging Assembly

Solar Physics Group - MSU - Of interest to solar keen hams is the YPOP section. Near real time movies of active solar regions in JAVA,GIF or MPEG.

SOHO - Solar and Heliospheric observatory

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

CT1BOH Solar Page - Collection of real time solar data by CT1BOH

NOAA Solar Calculators - Improved Solar Calculator, Old Sunrise/Sunset and Solar Noon Calculator, Solar Position Calculator

HF Propagation app for Windows - This program displays solar-terrestrial data for radio waves propagation that is provided by the N0NBH web-service.

AI7R Solar Power Page - Solar power setup by ham radio station AI7R

Portable Solar Charger - N5ESE's Portable Solar Charger

12 v gel cell charger - Schematic of a fast charger for Gel Cell batteries

Automatic Battery Charger Project - A project for an automatic battery charger from 12.6v to 13.8v

Adjustable Regulated Battery Charger - This battery charger circuit is regulated and adjustable to make this circuit able to charge the mosto NiCAD battery.

A NiCAD Battery Charger - A NiCAD Battery Charger with Current and Voltage Limiting

Dummy Load Construction - Home made dummy load by M1HOG

A 50+ Watt Dummy Load - Dummy Load construction project by Brian, MW0GKX

70 MHz transverter - Construction of OZ2M 70 MHz transverter