What does RA stand for?

What does RA mean?

RA	Military Serial Number prefix for non-drafted Volunteer Governmental » Military
RA	Race Altered Community » Law
RA	Radar Altimeter (R/A preferred) Governmental » NASA
RA	Radhiallahtala And Miscellaneous » Unclassified
RA	radial Medical » British Medicine
RA	radial artery Medical » British Medicine
RA	Radio Activity Academic & Science » Amateur Radio
RA	radioactive Medical » British Medicine
RA	radioactivity Medical » British Medicine
RA	radioassay Medical » British Medicine
RA	radiographic absorptiometry Medical » British Medicine
RA	radionuclide angiography Medical » British Medicine
Ra	Radium Academic & Science » Chemistry
RA	Radium Academic & Science » Electronics
Ra	Radium Governmental » NASA
RA	ragweed antigen Medical » British Medicine
RA	Rahman Arrahman Miscellaneous » Unclassified
RA	Railers Anonomous Miscellaneous » Unclassified
RA	Rainbow Alliance Miscellaneous » Unclassified
RA	RainForest Alliance Community » Non-Profit Organizations
RA	Raistlin's Apprentices Miscellaneous » Unclassified
RA	Raistlins Apprentice Miscellaneous » Science Fiction
RA	Raja Aka Miscellaneous » Unclassified
RA	Rally America Governmental » US Government
RA	Rally America Governmental » Military

Ra(n.): a sun god of Heliopolis, worshipped throughout ancient Egypt and typically represented as a hawk-headed man crowned with a solar disk and uraeus.