What does WRR stand for?

Dallas, TX - FM radio station call letters

Wardaman - Language code (ETLW)

Warm Run Record

Warrington, Inc. - Toronto Stock Exchange symbol

Water Resource Region - Water Resources Council

Water Resources Research - A publication (NOAA)

Wide Band Regenerative Repeater (SAUS)

Woodmen Rangers and Rangerettes (EA)

World Radiometer (or Radiometric) Reference (SAUS)

WRA, Inc. - ICAO designator (FAAC)