I'm trying to figure out the necessary azimuth and elevation angles for an antenna located at 42 degrees, 06 minutes N lat, 76 degrees, 13 minutes W long, pointing towards a geosynchonous satellite at ...

The altitude and azimuth instruments made by Edward Troughton in London from the 1790s were remarkably stable and accurate, and Troughton & Simms continued this tradition. Indeed, Frederick W. Simms ...

(1) NAUTICAL astronomy is simply the application of spherical trigonometry to the problem of ascertaining the latitude and longitude at sea by observations of the heavenly bodies; as also the errors ...

My latest shoot for the BBC's The One Show took me to the Royal Greenwich Observatory in London. During part of the film, we were in the Altazimuth Pavilion that was built in 1899 to plot the altitude ...

(PDF file) https://www.euspa.europa.eu/simplecount_pdf/tracker?file=gps-test-app-definition.pdf First, install GPS Test from the Google Play store. When you open ...

PICATINNY ARSENAL, N.J. - Xenophon, a professional soldier and writer of ancient Greece, is known for a succinct saying: "Fast is fine, but accuracy is everything." Modern-day Soldiers who fire ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This instrument came from the John C.