100 likes | 403 Views
Moiré light. Thanks to Shotley Marina nr. Ipswich. Now based on HAT Highest Astronomical Tide. Vertical Clearances. Finding HAT at a secondary port. Thanks to Mike Dymond for this illustration.
E N D
Moiré light Thanks to Shotley Marina nr. Ipswich
Now based on HAT Highest Astronomical Tide VerticalClearances
Finding HAT at a secondary port Thanks to Mike Dymond for this illustration