DAK’s Emu Mob was here Multi-cache
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Difficulty:
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Terrain:
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Size: 
(regular)
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David Alexander Kruger was one of the hero’s of geocaching in Australia. David was an inspiration to all members of our community. This cache brings together a number of special aspects of David’s caching.
David signed off his emails; “There are 10 types of people who understand binary: those who do and those who don't.” You will need to consider this statement on your journey…..
David had 10 great geocache series. “Business Traveler” and “Yes, but is it art”? Freddo is proud to report that he was the first interstate geocacher to complete “Business Traveler”. Mostly on business 
. David’s selections for his series “Yes, but is it art?” were always an eye opener.
This multicache is a South Australian combined commemorative for DAK. The cache can probably only be done as a road trip from Melbourne to Adelaide. You will need to collect information at locations along the journey. Looking at the interesting artwork/structures at these locations will assist you in your quest. The Q&A locations nearly all have nearby geocaches.
The initial listed location is particular favourite of Freddo. This spot even has a pond 
. Freddo is a consulting metallurgist in real life. Of course Freddo had heard about the Westgate Bridge disaster, but it was DAK’s cache that bought the frog to the six parts set up here as reminder to local engineering students to get the decisions and calculations correct. At the initial location find the number identifying the distance between girder cell diaphragms. Add the two digits together. The result is X.
The second location is a favourite for Astro and Parrothead. Events that occurred on 21 July 1969 put this town on the map. At GZ you will find a pair of parrots. What is the letterbox number? Convert this number to binary. Take away the zeros and convert that binary number to a decimal number. The answer C.
The third location is a special favourite for Skippy. The location might not be what you think. The limit sign adjacent has two digits YZ.
The fourth location answers the question “Why did the emu cross the road”? How far does this emu need to go? The answer is D=3 (The sign has disappeared from this location and the information is supplied. As if you really needed this information. Amateurs! was a favourite DAK saying. Dave loved jet skiing.)
The fifth location is just for DAK. David loved trains too. What is the last number on the train? The answer = B.
The sixth location is near the end of your journey. How many emus are in this mob just here. The result = A.
The final cache location is s34 5A.BCD, e138 3A.XYZ. The final cache is one of David’s special loves, a cache in a cache.
Vale Dave.
Additional Hints
(Decrypt)
Ybt wnz