Time signals and frequency standards emissions : supplement 1 to volume 1997 TF series / ITU-R

UIT

IV, 10 p. ; 30 cm

92-61-07561-4

ITU-R recommendations (new and revised as of 10 February 1998)

UIT-União Internacional das Telecomunicações

Radiocomunicações; Frequências

1998

Material Textual Impresso