What are the aerodrome services SRE and CEV? eAIP in France list two services on AD-2 (aerodromes) for which I have no clue what they stand for. They are not known to AIXM neither.


SRE found on eAIP of aerodrome LFOA
CEV found on eAIP of aerodrome LFBD


Any idea what these services are? Thanks a bunch!
When in doubt, check GEN 2.2 for a list of abbreviations.


  
  CEV
  Centre d’essai en vol
  Flight test centre
  SRE
  Elément radar de surveillance du système radar d’approche de précision
  Surveillance radar element of precision approach radar system