�1���� Introduction
�2���� General
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2.6.1���� Non-controlled condition
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2.6.2���� Non-precision offset
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2.6.3���� Precision offset (see Annex 4 for the
case of 625-line systems)
�3���� Synchronized
carrier operation
�4���� Further studies
�1���� Protection from
co-channel interference
������� 1.1���� Carriers separated
by less than 1 000 Hz, non-controlled systems having the same or a different line‑standard
������� 1.2���� Carriers
separated by parts of the line frequency ( fline), systems having the same line‑standard, non‑precision
offset (see Table 1)
�2�� ��Protection from adjacent-channel interference
������� 2.1���� Protection from
lower adjacent-channel interference, VHF and UHF bands
������� 2.2���� Protection from
upper adjacent-channel interference, VHF and UHF bands
�3���� Protection from
image-channel interference
�4���� Protection from
overlapping channel interference
������� 4.1���� Protection ratios
for vision signals interfered with by terrestrial digital audio broadcasting (T‑DAB)
�5���� Television signal
affected by data signals
�1���� Protection from
co-channel interference
������� 1.1���� Carriers
separated by less than 1 000 Hz, non-controlled systems having the same or a different line‑standard
������� 1.2���� Carriers
separated by multiples of a twelfth of the line frequency up to about �36/12 fline (about �50 kHz)
�2���� Protection from
adjacent-channel interference
������� 2.1���� Protection from
lower adjacent-channel interference
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2.1.1���� VHF bands
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2.1.2���� UHF bands
������� 2.2���� Protection from upper
adjacent-channel interference, VHF and UHF bands
�3���� Protection from
image-channel interference
�4���� Protection from
overlapping channel interference
������� 4.1���� Protection ratios
for vision signals interfered with by terrestrial digital audio broadcasting (T‑DAB)
�5���� Television signal
affected by data signals
�1���� Introduction
�2���� Normalized
precision offset between 0/12 and 12/12 fline
������� 2.1���� Luminance range
for all 625-line systems:
������� 2.2���� Chrominance range
only for PAL and SECAM systems
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2.2.1���� PAL systems
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2.2.2���� SECAM systems
�3���� Computation of
operational offset frequencies in a network with transmitter triplets
������� 3.1���� Example
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