IEVref:
705-05-16
ID:
Language:
en
Status:
Standard
Term:
standard refractive modulus gradient
Synonym1:
standard M-gradient
[
Preferred
]
Synonym2:
Synonym3:
Symbol:
Definition:
that standard value of vertical gradient of refractive modulus which corresponds to the standard refractivity gradient
NOTE – This value is +117 M-units per kilometre.
Publication
date
:
1995-09
Source
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5:
that standard value of vertical gradient of refractive modulus which corresponds to the standard refractivity gradient