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When the tank arrives at the site it is secured with ratchet straps to (IDK, what can we get in the field that could restrain a tank properly
A regulator is attached to the tank
Correct pressure rating
Correct gas type(ie. don't use a hydrogen regulator with helium)
Undamaged threads on both side
The helium tube is run to the launch tarp
Ensure not a tripping hazard, don't let the tube hang. Have it run along the ground
Turn the valve of the tank on
Turn it slowly
Turn it all the way on
Site Prep
Site requirmentsrequirements
The launch site needs sufficient open area down wind to clear the tree line
The launch site needs to have sufficient distance from inhabited areas that in the first 1000ft of accent the balloon does not pass over a dwelling
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Sondes cases have had NWS stickers removed
Sondes are powered on using fresh energizer ultimate lithium AA out of the pack
Sondes are checked to have lock and be decoding on ground station laptop
Line prep
Tie line items to the line/inline
Ensure the line items are attached in the correct order
Double check knots
Check all carabiners are taped shut
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