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47Northstar Explorer VHF Series: 721US, 721EU Operation and Installation Manual
WEATHER MHz TRAFFIC TYPE NAME TAG
Wx01 RX Only 162.550 NOAA WEATHER CHANNEL ------ ------ NOAA WX
Wx02 RX Only 162.400 NOAA WEATHER CHANNEL ------ ------ NOAA WX
Wx03 RX Only 162.475 NOAA WEATHER CHANNEL ------ ------ NOAA WX
Wx04 RX Only 162.425 NOAA WEATHER CHANNEL ------ ------ NOAA WX
Wx05 RX Only 162.450 NOAA WEATHER CHANNEL ------ ------ NOAA WX
Wx06 RX Only 162.500 NOAA WEATHER CHANNEL ------ ------ NOAA WX
Wx07 RX Only 162.525 NOAA WEATHER CHANNEL ------ ------ NOAA WX
Wx08 RX Only 161.650 CANADIAN WEATHER CHANNEL ------ ------ CANADA WX
Wx09 RX Only 161.775 CANADIAN WEATHER CHANNEL ------ ------ CANADA WX
Wx10 RX Only 163.275 NOAA WEATHER CHANNEL ------ ------ NOAA WX
SPECIAL NOTES ON USA CHANNEL USAGE
1. LOW POWER (1 W) only.
2. Receive Only.
3. LOW POWER (1 W) initially. Override to HIGH POWER by holding down H/L key before transmitting. Used
normally in bridge-to-bridge communications.
4. Lightly Shaded Simplex channels 03A, 21A, 23A, 61A, 64A, 81A, 82A, and 83A cannot be lawfully used in
U.S. waters unless special authorization is obtained from the U.S. Coast Guard. Not for use by the general
public.
5. The letter “A” illuminated by the channel number indicates the USA channel is simplex. This same channel
is always duplex when selecting International. There is no “A” reference for International channels. The
letter “B” is only used for some Canadian “Receive Only” channels.
6. Channel 70 is designated for use exclusively for Digital Selective Calling (DSC), such as Distress, Safety,
and Ship Calls. No voice communication is allowed on CH70.