المؤلفون: Vélez, Manuel Ma., Angueira, Pablo, de la Vega, David, Ordiales, Juan Luis, Arrinda, Amaia

المصدر: IEEE Transactions on Broadcasting. Jun2002, Vol. 48 Issue 2, p71. 5p. 5 Black and White Photographs, 1 Diagram, 3 Charts, 3 Graphs.

مصطلحات موضوعية: DIGITAL audio broadcasting, RADIO wave propagation

مصطلحات جغرافية: SPAIN

المؤلفون: Hakegard, Jan Erik¹, Ringset, Vidar¹, Myrvoll, Tor Andre¹

المصدر: IEEE Transactions on Antennas & Propagation. Jul2012, Vol. 60 Issue 7, p3424-3431. 8p.

مصطلحات موضوعية: AIRPORT communication systems, IEEE 802.16 (Standard), TRANSMITTERS (Communication), LINE-of-sight radio links, RADIO wave propagation

مصطلحات جغرافية: MADRID (Spain), SPAIN