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described in the most recent version of Recommendation ITU-R M.1084 by an administration that wishes to
do so, subject to not causing harmful interference to, or claiming protection from other stations in the maritime
mobile service using digitally modulated emissions and subject to coordination with affected administrations.
(WRC-19)
wa) In Regions 1 and 3:
The frequency bands 157.0125-157.1125 MHz and 161.6125-161.7125 MHz (corresponding to channels: 80,
21, 81 and 22) are identified for utilization of the digital systems described in the most recent version of
Recommendation ITU-R M.1842 using multiple 25 kHz contiguous channels.
The frequency bands 157.1375-157.1875 MHz and 161. 7375-161.7875 MHz (corresponding to channels: 23
and 83) are identified for utilization of the digital systems described in the most recent version of
Recommendation ITU-R M.1842 using two 25 kHz contiguous channels. The frequencies 157.125 MHz and
161.725 MHz (corresponding to channel: 82) are identified for the utilization of the digital systems described
in the most recent version of Recommendation ITU-R M.1842.
The frequency bands 157.0125-157.1875 MHz and 161.6125-161.7875 MHz (corresponding to channels: 80,
21, 81, 22, 82, 23 and 83) can also be used for analogue modulation described in the most recent version of
Recommendation ITU-R M.1084 by an administration that wishes to do so, subject to not claiming protection
from other stations in the maritime mobile service using digitally modulated emissions and subject to
coordination with affected administrations. (WRC-19))
x)
In Angola, Botswana, Eswatini, Lesotho, Madagascar, Malawi, Mauritius, Mozambique, Namibia, Democratic
Republic of the Congo, Seychelles, South Africa, Tanzania, Zambia and Zimbabwe, the frequency bands
157.1125-157.3375 and 161.7125-161.9375 MHz (corresponding to channels: 82, 23, 83, 24, 84, 25, 85, 26
and 86) are designated for digitally modulated emissions.
In China, the frequency bands 157.1375-157.3375 and 161.7375-161.9375 MHz (corresponding to channels:
23, 83, 24, 84, 25, 85, 26 and 86) are designated for digitally modulated emissions. (WRC-19)
y)
These channels may be operated as single or duplex frequency channels, subject to coordination with affected
administrations. (WRC-12)
z)
Channels ASM 1 and ASM 2 are used for application specific messages (ASM) as described in the most recent
version of Recommendation ITU-R M.2092. (WRC-19)
zz) Channels 1027, 1028, 87 and 88 are used as single-frequency analogue channels for port operation and ship
movement. (WRC-19)
NVR-3000 OPERATION MANUAL & INSTALLATION MANUAL
84
NVR-3000 OM.E 20230109-08
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