What does GTT stand for?
GTT stands for "Geiger Tube Telescope"
How to abbreviate "Geiger Tube Telescope"?
"Geiger Tube Telescope" can be abbreviated as GTT
What is the meaning of GTT abbreviation?
The meaning of GTT abbreviation is "Geiger Tube Telescope"
What does GTT mean?
GTT as abbreviation means "Geiger Tube Telescope"
