Broadcasting Notes

Broadcasting - sending out sound and pictures through radio in space for the reception of the general public.

intent - general public
content - sound and pictures

Types:
Standard AM
FM
TV
International

Spectrum Regulation:
Allocation
Allotment
Assignment

Important Requirements during BC:
Timing
Fidelity
Maintain proper console signal output

Controls:
Government
Public
Industry

Leading BC station (early days):
NBC
CBC
ABC

Economics of BC:
Syndication
Public investment
Sources of fund:

• public investment
• advertising
• government subsidies
• receiver license fee

Economic pluralism
Centripetal tendency
Parsimony principle
Program balance
Generic / Thematic service
Infotainment

Components:
1. antenna
2. transmitter
3. studio
4. control room
5. auxiliary transmitter
6. complete alternate main transmitter
7. equipment repair room
8. alternate ac power equipment
9. master audio console
Unattended:
10. plate V and I final amplifier
11. modulation percentage monitor
12. antenna ammeter
13. 10-20 electrical, temperature, and security parameter scanned several times - CRT monitor
14. remote program pickup (NR)
15. network program (LMS)
16. remote pickup broadcast station
17. aural broadcast STL station
18. aural BC intercity relay station

Requirements for new BC:
1. File petition CPCN
2. Public hearing
3. NTC decision