1. 
   LLPA
   Long-line Public Address
   Found op http://www.scot-rail.co.uk/page/Glossary
   
   
2. 
   LLPA
   Low Level Power Amplifier. Linac 5-watt solid-state amplifier in the rear of the A5 racks that is the first step in the high-level RF system.
   Found op http://www-bdnew.fnal.gov/operations/accgloss/gloss.html
   
   
3. 
   LLPA
   Low Level Power Amplifier. Linac 5-watt solid-state amplifier in the rear of the A5 racks that is the first step in the high-level RF system.
   Found op http://www-bdnew.fnal.gov/operations/accgloss/gloss.html#A
   
   

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