In Canada three towers collapse, 2 because of a aircraft collision and the other because of material failure.
A 411 meter transmitter tower collapsed on February 2, 1993 in NFL & L.
To find the location of the cache, some easy math.
April 2019
Subtract from the North Coordinate. AB/(1.1D)
Subtract from the West Coordinate. A^2/(2C)
Where
Dr the cause of the collapse (2 words) = A
Dr the location (2 words) of the tower = B
height of the replacement tower (feet) = C
The Frequency Band of operation of the transceivers D = 1000
