HEATKEYS

SkyVision is a leading global IP telecommunication service provider, offering C-band IP trunking and Internet connectivity, VSAT solutions, and fiber optic connections.

A comprehensive calculation website, which aims to provide higher calculation accuracy, ease of use, and fun, contains a wide variety of content such as lunar or nine stars calendar calculation, oblique or area calculation for do-it-yourself, and hig...

The Federal Communications Commission (FCC) is an independent US government agency, directly responsible to Congress, and regulates interstate and international communications by radio, television, wire, satellite and cable. FCC website resources inc...

Wholesale Distributor & Supplier for Direct To Home (DTH) Digital Satellite Equipment. We cover a wide veriety of Free to air FTA FTA Digital Satellite Equipment for Christian TV stations and International TV stations like Farsi, Persian, Irania...

SatelliteGuys.US is America

GeographicLib

The NOAA Earth System Research Laboratory was formed to observe and understand the Earth system and to develop products, through a commitment to research that will advance the National Oceanic and Atmopsheric Administration

CSGNetwork Free Information. Calculators, Converters, Glossary, Open Source Code... find something. Most pages require JavaScript.

Solar site evaluation and measurement tools

Finds the geographic halfway point between two or more places. Find your personal center of gravity--the geographic average location for all of the places you have lived in.

Free online calculation and cogo tool for land surveyors