/usr/share/dvb/dvb-t/uk-Wenvoe is in dtv-scan-tables 0+git20171226.07b18ec-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Auto-generated from:
# <http://www.digitaluk.co.uk/coveragechecker/main/tradeexport/CF5 6SA/NA/0/>
#----------------------------------------------------------------------------------------------
# location and provider: UK, Wenvoe
# date (yyyy-mm-dd)    : 2014-03-25
#
#----------------------------------------------------------------------------------------------
[C41+ BBC A]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 634167000
	BANDWIDTH_HZ = 8000000
	CODE_RATE_HP = 2/3
	CODE_RATE_LP = NONE
	MODULATION = QAM/64
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/32
	HIERARCHY = NONE
	INVERSION = AUTO
[C44 D3&4]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 658000000
	BANDWIDTH_HZ = 8000000
	CODE_RATE_HP = 2/3
	CODE_RATE_LP = NONE
	MODULATION = QAM/64
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/32
	HIERARCHY = NONE
	INVERSION = AUTO
[C31 COM7 HD]
	DELIVERY_SYSTEM = DVBT2
	FREQUENCY = 554000000
	BANDWIDTH_HZ = 8000000
	CODE_RATE_HP = 2/3
	CODE_RATE_LP = NONE
	MODULATION = QAM/256
	TRANSMISSION_MODE = 32K
	GUARD_INTERVAL = 1/128
	HIERARCHY = NONE
	STREAM_ID = 0
	INVERSION = AUTO
[C42+ SDN]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 642167000
	BANDWIDTH_HZ = 8000000
	CODE_RATE_HP = 3/4
	CODE_RATE_LP = NONE
	MODULATION = QAM/64
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/32
	HIERARCHY = NONE
	INVERSION = AUTO
[C45 ARQ A]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 666000000
	BANDWIDTH_HZ = 8000000
	CODE_RATE_HP = 3/4
	CODE_RATE_LP = NONE
	MODULATION = QAM/64
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/32
	HIERARCHY = NONE
	INVERSION = AUTO
[C39+ ARQ B]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 618167000
	BANDWIDTH_HZ = 8000000
	CODE_RATE_HP = 3/4
	CODE_RATE_LP = NONE
	MODULATION = QAM/64
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/32
	HIERARCHY = NONE
	INVERSION = AUTO
[C47 BBC B HD]
	DELIVERY_SYSTEM = DVBT2
	FREQUENCY = 682000000
	BANDWIDTH_HZ = 8000000
	CODE_RATE_HP = 2/3
	CODE_RATE_LP = NONE
	MODULATION = QAM/256
	TRANSMISSION_MODE = 32K
	GUARD_INTERVAL = 1/128
	HIERARCHY = NONE
	STREAM_ID = 0
	INVERSION = AUTO
[C51 L-CDF]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 714000000
	BANDWIDTH_HZ = 8000000
	CODE_RATE_HP = 3/4
	CODE_RATE_LP = NONE
	MODULATION = QPSK
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/32
	HIERARCHY = NONE
	INVERSION = AUTO
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