CATV CHANNEL STANDARDS
International Channel Standards
Country VHF UHF Color System Channel System
Argentina N - PAL US
Australia B G PAL AUSTRALIA
Belgium B H PAL CCIR
Brazil M M PAL US
Canada M M NTSC US
Chile M - NTSC US
China D D PAL CHINA
Denmark B G PAL CCIR
Egypt B - SECAM CCIR
Finland B G PAL CCIR
France E,L L SECAM F
German Democratic
Republic
B G SECAM CCIR
Germany,
Federal Republic
B G PAL CCIR
Greece B G SECAM CCIR
Hong Kong I - PAL UK
Hungary D K SECAM OIRT
Ireland A I PAL IR
Italy B G PAL IT
Korea, Republic of M M NTSC US
Mexico M M NTSC US
Morocco B - SECAM MO
Netherlands B G PAL CCIR
New Zealand B - PAL NZ
Norway B G PAL CCIR
Poland D K SECAM OIRT
Portugal B G PAL CCIR
Spain B G PAL CCIR
Switzerland B G PAL CCIR
Sweden B G PAL CCIR
Taiwan M - NTSC US
United Kingdom A I PAL UK
USA M M NTSC US
USSR D K SECAM OIRT

SEE TABLE BELOW

System # lines Channel Width (MHz) Visual BW (MHz) Visual/Aural Separation (MHz) Vestigial Sideband (MHz) Visual Modulation Aural Modulation
A 405 5 3 -3.5 0.75 POS AM
B 625 7 5 +5.5 0.75 NEG FM
C 625 7 5 +5.5 0.75 POS AM
D 625 8 6 +6.5 0.75 NEG FM
G 625 8 5 +5.5 0.75 NEG FM
H 625 8 5 +5.5 1.25 NEG FM
I 625 8 5.5 +6.0 1.25 NEG FM
K 625 8 6 +6.5 0.75 NEG FM
K 625 8 6 +6.5 1.25 NEG FM
L 625 8 6 +6.5 1.25 POS AM
M 5.25 6 4.2 +4.5 0.75 NEG FM
N 625 6 4.2 +4.5 0.75 NEG FM