AstroCom Associates has extensive expertise and provides consulting services in satellite communications and space systems design. - fixed, mobile and broadcasting; synthetic aperture radar and remote sensing; antenna and electromagnetic modelling; military strategic and tactical voice and data communications systems; satellite ground station design; modulation and coding; communications theory; advanced data processing and software development; spectrum management and frequency allocation - national and international; radiowave propagation - ionospheric and tropospheric; space science; satellite-aided search and rescue; radar; and government liaison.