solar charger constructi

40 thru 10 Meter Zepp Antenna  ^pop - A modified 20 meter double zepp wire Operating Bands: 40 thru 10 meters (with tuner), basic construction and performance information.

GW0VMR construction ideas  ^pop - selection of construction ideas from Patrick, GW0VMR, includes ATU, Baluns theory

EH antenna fo 160 mt by Iz7ath  ^pop - EH antenna for 160 mt: my experiment and comparison with a short vertical. with full details on construction procedure and testing.

Quad Loops  ^pop - Quad loops can be a practical way to get some gain without constructing a full Cubic Quad

This old dipole - An antenna construction workshop conducted at Marshall N1FN's QTH

Stacked Yagi Antennas - Constructing and designing full size, single band stacked yagi antenna arrays

Radio Kits - Mailing list for people interested in building radio and electronics equipment from kits or from scratch. Frequent topics include shortwave radio receivers, construction techniques, and ham radio project.

KB9VBR J-Pole Antennas - All copper J-Pole antennas for sale. 6 meter, 2 meter, 222 MHz, 440 MHz, LPFM, Marine, GMRS. Includes a construction plan in pdf format if you wish to build your own antenna.

Construction tubulaire de l'Artois - Towers manufacturer in France

NM5K Mark - Solar image and activity

Deep Space Network (DSN) - NASA's worldwide antenna network to support the exploration of the solar system.

TCM3105 - Updated modem construction info for BAYCOM pgm

Quadrifilar helicoidal antenna - Design your own quadrifilar helix, the site even generates a drilling pattern in a PDF file. Several different construction methods are shown.

EI5FK's VHF Ham Radio Website - "Shows who is ""active"" on VHF in EI, Solar Auroral and Tropo information, Vhf logs and maps."

WM7D Solar Resources - Solar Flux reports, Current Alerts and Warnings from NOAA, 27 day forcast from NOAA, charts reflecting the past 7 years Solar cycle summary charts from NOAA

KN4LF Daily Solar Space Weather & Geomagnetic Data Archive - An archive of daily solar, space weather & geomagnetic data.

Propagation eAlert Service - Automatic e-mail alert of propagation information. Gives current solar flux, Ap, Kp, solar wind information, solar and geomagnetic conditions past and forecast, sunspots, aurora index, and more.

Antenna Warehouse - Certified quality wire products, Francis antennas Select-A-Tenna, Solarcon 10/11 meter base antennas Wilson antennas

Antenna Solver - provides much greater flexibility in the construction, analysis, and interpretation of radiating structures using a rewritten NEC module.

SpotCollector  ^updated - A free application that captures DX and WWV spots from up to 5 internet clusters and a local packet cluster. DX Spots are merged and stored in a Spot Database on your PC, enabling you to monitor, sort, and filter them in real time; known LotW participants are highlighted, as are needed stations. WWV spots are plotted to show SFI, A, and K over the last solar revolution.

XASTIR - Xastir is program for receiving and plotting APRS™ position packets. Development is a collaborative effort of programmers and amateur radio enthusiasts from around the world. Xastir supports many map formats and is highly customizable. Xastir runs on Windows/MacOSX/Linux/FreeBSD/Solaris/Lindows. It supports 125 map formats, several types of TNC's and weather stations, Festival speech synthesizer, AX.25 networking (Soundmodem/Baycom/SCC!) and seven languages!.

Ham Radio Deluxe Logbook - HRD Logbook v5 is a freeware windows logbook program that offer full control of your radio, Rotor control, support for many db engines, multiple logbook, dx cluster client interface, band maps and solar status report and audio recording

50 MHz GS35B 1500 Watt Amplifier - 50 MHz 1500 Watt Russian GS35B amplifier. Well documented. Complete construction details,pictures,schematics, and more.

Six Meter Heliax Duplexer Construction - Duplexer capable of handling a high power 500khz split six meter repeater.

Radio QRP - The Art of Low Power - QRP is The Art of Low Power Radio where the challenge is to operate and/or build AM radio transmitters usinga bare minimum of components, money and construction skill.