What does PPGN stand for?
PPGN stands for "Primary Precise Geodetic Network"
How to abbreviate "Primary Precise Geodetic Network"?
"Primary Precise Geodetic Network" can be abbreviated as PPGN
What is the meaning of PPGN abbreviation?
The meaning of PPGN abbreviation is "Primary Precise Geodetic Network"
What does PPGN mean?
PPGN as abbreviation means "Primary Precise Geodetic Network"
