Option Authorization File (OAF) is a digital product that enables positioning & tracking features available with your Topcon GNSS receiver.     Part No. 1003350-01  

Option Authorization File (OAF) is a digital product that enables positioning & tracking features available with your Topcon GNSS receiver.     Part No. 1015727-02; 1027035-11;...

OAFs for AGS-2     Part No. 1030002-02; 1030002-05

Option Authorization File (OAF) is a digital product that enables positioning & tracking features available with your Topcon GNSS receiver.     Part No. 1016602-01

OAFs for AGI-4     Part No. 1015672-01; 27-100710-02; 27-100710-03