IRVR - What does IRVR stand for? The Free Dictionary
References in periodicals archive
Meteorological equipment: IRVR
Transmission meters, AMOs/RAMOS/SAMOS/FAMOS
He explained that IRVR
measuring equipment uses assumed values for the brightness of each light, as a component in calculating the current visibility, therefore regularly ascertaining the performance of each light could lead to a 'credit'-a higher assumed value-being used in the equipment's calculation.