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abbrev_rating_value_length
abbrev_rating_value_text
access_controlled
action_type
additonal_descriptors_length
AEIT_subtype
app_data_byte
app_data_length
app_id_byte
app_id_byte_length
app_id_description
app_info_length
application_count_in_section
asvcflags
ATSC_protocol_version
attribute
attribute_count
bit_rate_code
bsid
bsmod
caption_service_number
carrier_frequency
carrier_symbol_rate
channel_tsid
component_name_string
compressed_string_byte
compression_type
content_identifier
county_code
county_subdivision
data_id
dcc_additional_descriptors_length
dcc_arriving_request_text
dcc_arriving_request_text_length
dcc_arriving_request_type
dcc_context
dcc_county_location_code
dcc_county_location_code_length
dcc_departing_request_text
dcc_departing_request_text_length
dcc_departing_request_type
dcc_descriptors_length
dcc_end_time
dcc_from_major_channel_number
dcc_from_minor_channel_number
dcc_id
dcc_selection_id
dcc_selection_type
dcc_start_time
dcc_state_location
dcc_state_location_code_text
dcc_subtype
dcc_term_count
dcc_test_count
dcc_test_descriptor_length
dcc_to_major_channel_number
dcc_to_minor_channel_number
dccsct_additional_descriptors_length
dccsct_descriptors_length
dccsct_type
demographic_selection_types
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duration
easy_reader
ETM_id
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event_id
extended_text_length
extended_text_message
FEC_inner
feed_id
full_svc
genre_category_code
genre_category_name_text
GPS_UTC_offset
graduated_scale
hidden
hide_guide
ID_length
ID_system
ISO_639_language_code
langcod
langcod2
language
length_in_seconds
line21_field
linkage_preference
linked_component_tag
location_code
long_channel_name_text
mainid
major_channel_number
MGT_tag
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mode
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num_blocks_in_section
num_channels
num_channels_in_section
num_data
num_data_events
num_data_in_section
num_events
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num_source_id_in_section
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number_bytes
number_bytes32
number_elements
number_of_services
number_segments
number_strings
off_air
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polarization
priority
private_data_byte
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protocol_encapsulation
protocol_version
rated_dimensions
rating_description_length
rating_description_text
rating_dimension_j
rating_dimension_length
rating_region
rating_region_count
rating_region_name_length
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rating_value
rating_value_length
rating_value_text
rc_information
resource_descriptor_count_in_section
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sample_rate_code
sdf_protocol_version
service_info_length
service_private_data_byte
service_private_data_length
service_type
short_name
source_id
start_time
state_code
surround_mode
SVCT_id
SVCT_subtype
system_time
table_type
table_type_descriptors_length
table_type_pid
table_type_version_number
tables_defined
tap_count
tap_info_length
tapStructure
time_shift
title_length
title_text
tx_method
update_data_length
update_type
updates_defined
values_defined
wide_aspect_ratio
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service_type [ATSC Semantics]

service_type is a 6-bit enumerated field that identifies the type of service set in the virtual channel.

valid service_type values
service_typemeaningnotes
1 / 0x01analog_televisionused to signal an analog television transmission
2 / 0x03ATSC_digital_television8-VSB or 16-VSB transmission, digital audio-video
3 / 0x03ATSC_audio8-VSB or 16-VSB transmission, digital audio
4 / 0x04ATSC_data_only_service8-VSB or 16-VSB transmission data service not associated with an analog, audio-video, or audio only program service.
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