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The Google Earth API was a free beta service, allowing users to place a version of Google Earth into web pages. The API enabled sophisticated 3D map applications to be built. [84] At its unveiling at Google's 2008 I/O developer conference, the company showcased potential applications such as a game where the player controlled a milktruck atop a ...
ISS SpaceX Satellite Tracking – tracks all Earth orbiting satellites while providing detailed location information for the users location, plus pass prediction listing. TrackSat - Satellite tracker – can track satellites orbiting the Earth in real time and predict their passes over your specific geolocation. Includes satellites such as ...
The receiver clock bias is the same for all received satellite signals (assuming the satellite clocks are all perfectly synchronized). The message's transit time is t ~ i − b − s i {\displaystyle {\tilde {t}}_{i}-b-s_{i}} , where s i is the satellite time.
Seasat. Seasat [3] was the first Earth-orbiting satellite designed for remote sensing of the Earth 's oceans and had on board one of the first spaceborne synthetic-aperture radar (SAR). The mission was designed to demonstrate the feasibility of global satellite monitoring of oceanographic phenomena and to help determine the requirements for an ...
Earth observation satellite missions developed by the ESA as of 2019. Earth observation satellites are Earth-orbiting spacecraft with sensors used to collect imagery and measurements of the surface of the earth. These satellites are used to monitor short-term weather, long-term climate change, natural disasters.
Satellite temperature measurements are inferences of the temperature of the atmosphere at various altitudes as well as sea and land surface temperatures obtained from radiometric measurements by satellites. These measurements can be used to locate weather fronts, monitor the El Niño-Southern Oscillation, determine the strength of tropical ...
The satellite broadcasts a signal that contains orbital data (from which the position of the satellite can be calculated) and the precise time the signal was transmitted. Orbital data include a rough almanac for all satellites to aid in finding them, and a precise ephemeris for this satellite.
Earth3D is free software . EarthBrowser, an Adobe Flash/AIR-based virtual globe with real-time weather forecasts, earthquakes, volcanoes, and webcams. Google Earth, satellite and aerial photos dataset (including commercial DigitalGlobe images) with international road dataset, the first popular virtual globe along with NASA World Wind.