BS 6330:1983
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Code of practice for reception of sound and television broadcasting
Hardcopy , PDF
01-10-2007
English
30-12-1983
Foreword
Committees responsible
Code
1. Scope
2. Definitions
3. Principles of broadcast reception
4. Choice of receiver
5. Aerial reception
6. Cabled distribution systems
7. Interference to reception
8. Safety
9. Organization of installation work
Appendix
A. Operation of amplifying equipment on cabled
distribution systems
A.1 Introduction and limitations
A.2 Terms and symbols
A.3 System performance
A.4 Noise
A.5 Signal-to-noise ratio
A.6 Signal-to-cross-modulation ratio
A.7 Operational factors
A.8 Operation and cascading
Tables
1. Classification of frequency bands
2. Frequency bands allocated in the UK for broadcasting
3. UK television broadcast bands, channels and
frequencies
4. Signal levels for broadcast receivers using
individual aerials
5. UHF receiving aerial groups and coding
6. Tubular masts; tube diameter and wall thickness
7. Chimney-mouting brackets
8. Wall-mounting brackets
9. Messenger-wire diameter and stress for typical
semi-airspaced coaxial cables
10. Thermal noise level in the noise bandwidth of TV
and radio systems at 75 omega
11. Programme factor and number of signals
12. Cascade factors
13. Conversion between decibels and voltage, current
and power ratios
14. Conversion between dB (mu V) r.m.s. voltage,
r.m.s. current and power at 75 omega
Figures
1. Relationship between broadcasting bands
2. Example of an 'inverted L' aerial
3. Vertical aerial for minimizing noise pick-up
4. Examples of two-element and three-element
aerial arrays
5. Example of an aerial used for UHF reception
6. Method for termination of lashing wire
7. Principal items of equipment employed in HF-type
cabled distribution systems
8. Principal items of equipment employed in VHF/UHF-
type cabled distribution systems
9. Change of attenuation with temperature for coaxial
cables with copper conductors
10. Noise level and bandwidth
11. Addition of cross-modulation and noise
Index
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