The meaning of the Acronym LTSA is...

LTSA is

• Long-Term Space Astrophysics

More Meanings For LTSA:

• Learning Technology Systems Architecture
• Long-Term Space Astrophysics
• Long-Term Service Agreement
• Land Title and Survey Authority
• Land Transport Safety Authority

LTSA is also in:

• Astronomy
• General
• Software
• State and Local
• Transportation