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PADI Whacker Mystery Cache

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CacheShadow - Community Volunteer Reviewer

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Hidden : 7/28/2007
Difficulty:
4 out of 5
Terrain:
1 out of 5

Size: Size:   small (small)

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Geocache Description:


PADI Whacker

Most people are not aware that the Ministry of Labour guidelines and Occupational Health and Safety Act apply to the recovery of golf balls from water hazards on golf courses. Over the past few years, many hours have been spent in the bottom of the Dragonfly golf course ponds picking up balls during commercial diving operations. This is not recreational diving ? diving the few feet of water in a water trap is actually more dangerous than a much deeper dive in open water.

There is wonderful diving in Eastern Ontario, with many lakes and rivers that offer varied plant and animal life, wrecks to explore, and riverbeds to scrounge for bottles… and fossils. Most recreational divers use the latest version of the Professional Association of Diving Instructors (PADI) dive tables.

However, southern diving offers warm weather, more colourful fish, and clear blue waters. While vacationing in the Bahamas, The Fossils made a two-tank morning dive. The first dive was to 90 feet for 20 minutes, followed by a 50-minute surface interval. The second dive was to 66 feet for 18 minutes. One hour after the second dive, the divemaster wanted to do a third dive to 50 feet.

Definitions:

RNT = Residual Nitrogen Time. The amount of dissolved nitrogen left in the blood from a previous dive, expressed as a time penalty in minutes.
ABT = Actual Bottom Time. The time in minutes that a diver is actually under water on a repetitive dive.
TBT = Total Bottom Time. RNT + ABT
ANDL = Adjusted no decompression limit. The maximum time a diver can stay under water on a repetitive dive.
Pressure groups (A to Z) indicate how much residual nitrogen is retained in the blood. (These letters have nothing to do with the cache coordinates.)

Location of the cache:

N45° 27.ABC
W76° 42.DEF

A = Digital root of RNT on Dive #3
B = Digital root of depth on Dive #1
C = Digital root of TBT on Dive #3 + 1

D = RNT from Dive #2 - 6
E = TBT from Dive #2 - 33
F = Digital root of ANDL from Dive #3 - 2

A dive profile is attached to help plan the dives. Enjoy!

Additional Hints (Decrypt)

Fghpx? Gel guvf: uggc://jjj.fphonqvirevasb.pbz/2_qvirgnoyrf.ugzy

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)