Ship's Whistle

CHALLENGE DESCRIPTION What coordinates was this photo taken at? Flag format is dalctf{\d+.\d{2}_\d+.\d{2}} (i.e., decimal coordinates to 2 decimal places. if the answer is negative coordinates then you need to include the negative '-' symbol).![[boat.png]]

METHODOLOGY google search

on their website, they have a video that show exat hills pattern

a make a quick check on marinetraffic for the vessels route

and found out it takes a sharp tune between galiano and mayne, same as our image

on google maps i found this location, and this was what i wanted

so comes to this, after rounding off its

THE FLAG dalctf{48.86_-123.33}