Celestrak.com - An excellent reference about satellite tracking
Heavens-Above - Dedicated to satellite and astronomy observations
Space-Track.org - The ultimate source for space surveillance data
Xplanet - Free software designed to render celestial bodies and more
Project Pluto - Source code for astronomical calculation, including satellite orbits
Magnetic-Declination.com - Find the magnetic declination at your location with Google Maps API
IP2LOCATION - Identify visitor's geographical location using a proprietary ip address lookup database
SPACEWARN Bulletin - A monthly publication of the National Space Science Data Center/World Data Center for Satellite Information
Mike McCants' Satellite Tracking Web Pages - A well organized place for classified satellites tracking
Visual Satellite Web Pages - Dedicated to visual satellite observing
Jonathan's Space Report - Well maintained information on recently launched satellites
ARRL - The American Radio Relay League
AMSAT - A worldwide group of Amateur Radio Operators who share an active interest in Amateur Radio satellites
SpaceArchive.info - The Southwest's Source for Space and Astronomy Information. Military space related content
SatBeams - Dedicated to geostationary satellites. The footprints are graphically diplayed over Google maps
UHF-Satcom.com - Very useful online resource for VHF to EHF satellite reception and monitoring
没有评论:
发表评论