Fixed service at frequences below about 30 Mhz : recommendations of the CCIR, 1990: (also and resolutions and opinions): volume III / International Telecommunication Union

CCIR PLENARY ASSEMBLY, XVII, Dusseldorf, 1990; UNION INTERNATIONALE DES TÉLÉCOMMUNICATIONS. Comité Consultatif Internationale des Radiocommunnications

Geneva: UIT, 1990

XIX, 75 p. ; 30 cm

92-61-04181-7

Radiocomunicações

Radiocomunicações; Frequências; Serviço-Fixo

1990

Material Textual Impresso