1. 
   GTL
   Geotail spacecraft.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   GTL
   Graphic Template Library + Gunning Transceiver Logic
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
3. 
   GTL
   Gas To Liquid
   Found op http://www3.sympatico.ca/dhaughey/j1930.htm
   
   
4. 
   GTL
   Gunning Transceiver Logic
   Found op http://foldoc.org/GTL
   
   
5. 
   gtl
   1) Geotail spacecraft
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/gtl/1
   
   

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