solar charger constructi

Diplexer construction 2m/70cm and SW/VHF - Build your diplexer with more than 70db port isolation and less than 0.2db attenuation. Easy project.

MAGLoop Antenna  ^pop - Magnetic loop antenna for 10-30 MHZ, 3.5-10 MHZ, description, construction details, homemade.

J-Pole Antennas for 2 Meters  ^pop - This paper describes two types of 2 meter J-Pole antennas, one made of copper pipe and a roll-up J-pole made of TV twin lead. The figures give the details of the dimensions, components and construction.

The G5 RV Antenna - Theory and operantions, G5RV construction tips by Keith, KE2DI

G5RV multi-band antenna construction guide  ^pop - Excellent guide to build a G5RV by Lombry

Small Loop Antennas by AA5TB - Also known as Magnetic Loop Antennas, by AA5TB, construction tips and tecniques of a Small Loop antenna

Satellite tracking antenna  ^pop - A rugged motorized satellite antenna tracking system for construction by the home handyman

Yahoo! Groups : eh-antenna - This group has been created to promote discussion relating to the EH Antenna. There should be many with experience with the EH Antenna, so don't be shy about asking questions on construction and efficiency.

Wholesale Solar - Solar panels, solar and wind home power systems, pre-wired power panels. Wholesale prices for everybody. Free solar design.

Aventrade - Radio battery store with online catalog, Yuasa Battery, NiMH Battery, UPS Battery, BB Battery, Luxeon LED Flashlight, Charger, Battery Pack, Battery Adapter, APC Battery, LED Flashlight, CR123A, Rechargeable Battery

Adventures in GPS antenna construction - Adventures in amplified GPS antenna construction; an experiment

Solar Weather - Basic information compiled and copied from NOAA SEC explaining and showing current solar weather conditions affecting amateur radio.

Dominion Radio Astrophysical Observatory - operates the seven-antenna Synthesis Telescope (ST), the 26-meter Telescope, and the 10-cm Solar Flux Monitor. It is a member of the Canadian Galactic Plane Survey , a project to map 60 degrees of the Galactic plane at numerous wavelengths with a uniform sensitivity.

HF - VHF Radiowave Propagation Center - High frequecy and VHF radio propagation data, solar and geomagnetic real-time and historic data, as well as forecasts. A comprehensive propagation resource compiled by Tomas Hood, editor of the propagation columns of CQ, CQ VHF, Popular Communications, and Monitoring Times magazines. Solar Weather, Geomagnetic, Aurora, Ionospheric reports via eAlerts and webpage. WAP phone access. Live and educational resources, and more.

G7IZU Radio Reflection Detection Page - Meteor Shower, Aurora, Sporadic-E and Solar Flares detected using Radio Signal Reflection, by Andy Smith, G7IZU. Live waterfall displays from three receivers, live Es propagation maps.

F5LEN Solar forecast - Display solar activity forecast for next 27 days, display A-index, Sunspot Numbers and Flux forecast

Battery Connection - Batteries and chargers

M.E.B.A. Electronics - Distributor of electronic's, also carry astatic, cherokee, cobra, dosy, firestik, solarcon,CB radios,10 meter radio's, antennas, microphones, power supplies, echo boards, expanders, meters and CB accessories along with Mobile audio/video products.

Radio 101 International - Informations about RADIO 101, constructing home brew transmitters, pirate radio, pagers, salsa, latin-dances, tango, Ecuador, Quito, Ukraine, Kiev, Ireland and more. Themen: Sendetechnik, Sender, Piratensender, Schaltpläne, Baupläne, Magnetkarten, Irland, Ukraine, Ecuador, SMS, Pager etc

NEC-2 for MMANA - The utility "NEC-2 for MMANA" is intended for calculation of antenna models made and optimized in program MMANA and for construction and simulation of antenna models using input language NEC-2 and based on MMANA models.

DX ToolBox  ^updated - DX Toolbox searches the web for you, gathering information on solar and geomagnetic conditions that affect radio propagation. It's ideal for the ham radio operator, shortwave listener, or other radio enthusiast.

FODtrack Satellite Tracking Interface - Construction tips to build an automatic``satellite tracking rotor controller using``PIC16F877 IC.

Solar Panel Info - A great resource for Solar Panels, arrays of photvoltaic cells.

A Pb Battery Recharger - The starting idea was to build a battery charger for Pb battery used in car and moto...

Simple CMOS elbug - It is a simple electronic keyer that proved to be reliable, precise timing and no own phantasy by OK1DX