机读格式显示(MARC)
- 000 01984nam a2200289 a 4500
- 008 740828s1970 sz b 000 0 eng d
- 050 00 |a TK6541 |b .I545 1970
- 090 __ |a TN019.1-2/I61/3
- 099 __ |a CAL 0220110194018m
- 110 2_ |a International Radio Consultative Committee.
- 245 00 |a C.C.I.R. 12th Plenary Assembly, New Delhi, 1970.
- 260 __ |a Geneva : |b International Telecommunication Union, |c 1970.
- 300 __ |a 7 v. in 10 : |b ill. ; |c 25 cm.
- 504 __ |a Includes bibliographical references.
- 505 0_ |a v. 1. Spectrum utilization and monitoring (Study group 1)--v. 2, pt. 1. Propagation in non-ionized media (Study group 5)--v. 2, pt. 2. Ionospheric propagation (Study group 6)--v. 3. Fixed service at frequencies below about 30 MHz (Study group 3). Standard frequencies and time signals (Study Group 7) Vocabulary (CIV)--v. 4, pt. 1. Fixed service using radio-relay systems (Study group 9) Coordination and frequency sharing between communication-satellite systems and terrestrial radio-relay systems (subjects common to Study groups 4 and 9)--v. 4., pt. 2. Fixed service using communication satellites (Study group 4) Space research and radioastronomy (Study group 2)--v. 5, pt 1. Broadcasting service (sound) (Study group 10) Problems common to sound broadcasting and television (subjects common to Study groups 10 and 11)--v. 5, pt 2. Broadcasting service (television) (Study group 11). Transmission of sound broadcasting and television signals over long distances (CMTT)--v. 6. Mobile services (Study group 8)--v. 7. Information concerning the 12th Plenary Assembly. Structure of the C.C.I.R. Lists of texts adopted by the C.C.I.R.
- 650 _0 |a Radio |x Congresses.
- 650 _0 |a Telecommunication |x Congresses.
- 710 2_ |a International Telecommunication Union.