EDUCATION AND COMMUNICATIONS|communications|communications systems
- léaslorg Tagairt Faofa ag an gCoiste Téarmaíochta, www.tearma.ie Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- footprint of a beam | beam area | footprint
- en
- Sainmhíniú the area on the surface of the Earth within which the antenna gain of a satellite antenna is at least equal to a specific value,usually-3dB,relative to its maximum gain Tagairt based on: IEV 50-725
- Nóta refers to broadcasting