ARPA
ARPA called:
- Advanced Research Projects Agency, U.S. Advanced Research Projects Agency, which has been renamed DARPA
- Aerolíneas Paraguayas, a former Paraguayan airline
- Automatic Radar Plotting Aid, an automatic radar system; see ARPA - conditioning
- Average revenue per advertiser, average revenue per advertiser
- Amazon Region Protected Area, so far the largest conservation projects for tropical forest
Arpa called:
- Arpa (river), river in Armenia and Nakhichevan (Azerbaijan )
- Areni, village in Armenia
In addition,. Arpa a Top Level Domain and stands for Address and Routing Parameter Area.
See also:
- ARPANET, the Advanced Research Projects Agency Network
- Disambiguation
- Abbreviation