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 article discusses three main telescope types: refractors (best for bright objects, portable), reflectors (best for faint objects, larger apertures), and catadioptrics (compromise between aperture ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Back in the 1980s, the way to find a satellite with your 5m satellite dish was to move its ...

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 ...

AT a recent meeting of the Royal Astronomical Society, the capabilities of this ingenious instrument (aviation type), designed by Mr. E. Willis for the solution of spherical triangles, were ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

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.