What does TNA stand for?
TNA stands for "The Nautical Almanac"
How to abbreviate "The Nautical Almanac"?
"The Nautical Almanac" can be abbreviated as TNA
What is the meaning of TNA abbreviation?
The meaning of TNA abbreviation is "The Nautical Almanac"
What does TNA mean?
TNA as abbreviation means "The Nautical Almanac"
