weather satellite

Quadrifilar Helix Antennas - The purpose of this page is to provide information and links about Quadrifilar Helix Antennas. It's the best antenna to use for APT satellite reception

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

Enterprise Amateur Radio Society - Club information, weather links and info, scanner and repeater frequencies, APRS links and more.

ON6SAT Amateur Satellite Links - More than 1200 amateur satellite related links

Ham Radio Portal - If it's Ham, It's here. Webportal covering IRLP, Echolink, EQSO, weather reception, UI-View, APRS, dx cluster and much more.

KEPS Equipments for AO40 downlink - Complete receive system, downconverters, dishes, feeds and preamplifiers for AO40 satellite users

Amateur satellite frequency guide - Amateur Satellite Frequency Guide, Compiled December 1996

Global Positioning System Primer - Welcome to the Global Positioning System (GPS) What is GPS? What is Navigation? GPS Elements Satellites in Space Ground Control Stations and Receivers, How GPS Works - An Amazing System, Military Uses for GPS

GPS Time Series - The Global Positioning System (GPS) is a constellation of 24 satellites which is used for navigation and precise geodetic position measurements.

W6FOG - AMSAT Satellite Training Net

Flysat - Digital satellites Frequency site

Automatic Picture Transmission - Automatic Picture Transmission (APT) is used by Satellites to enable a fully automated unattended reception of the transmitted pictures.

WEFAX - Weather and Amateur Facsimile - arrl wefax pages with members only articles such as FAX480 and SSTV Interfaces and Software, contains also a few links to wefax related web sites

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

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

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.

Amateur Radio Propagation RSS (XML) Live Feed - Live space weather and propagation data, in RSS (XML) format.

MESOTRACK - Severe Weather Information covering the Ohio Valley Region.

Giles SkyWarn - Giles SkyWarn KI4CFK is an ARRL affiliated club dedicated to preparedness in case of severe weather or any emergency which requires emergency communications on 146.775

HRPT - NOAA HRPT - High Rate Picture Transmission, the main source of high quality data from polar orbiting meteorological satellites

Raodioworld ltd - Supplires of amateur radio equipment and satellite navigation equipment

Big Fat Tail Productions - PocketSat is a full-featured satellite tracking application for PalmOS and PocketPC devices. It is designed to be usable by both experienced satellite trackers as well as novices who are interested in knowing when they can simply look up and see satellites.

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

Orbitron - Orbitron is a freeware (cardware) application dedicaed to satellite tracking. Allow tracking of ISS, Iridium flares, ham radio satellites, International Space Station, satellite passes prediction, orbits, auto updates and alerting

2m Band VHF antenna pre-amplifier - Homebrew pre-amp for 144-146 MHz amateur band and OSCAR Satellites, using BF981 Dual-gate MosFet. Gain ~15 dB, NF=1dB.