Canadian Chart 1 Symbols, Abbreviations and Terms

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Services - Section T

SNS a

Signal Stations

Ref.	IHO Symbology	Description	CHS Symbology
20		Signal station in general
21		Signal station showing International Port Traffic Signals
22		Traffic signal station, Port entry and departure signals
23		Port control signal station
24		Lock signal station
25.1		Bridge passage signal station
27		Telegraph station
28		Storm signal station
29		Weather signal station, Wind signal station
30		Ice signal station
31		Time signal station
32.1		Tide scale
32.2		Automatically recording tide gauge
33		Tidal signal station
34		Tidal stream signal station
35		Danger signal station
36		Firing practice signal station