# Code table 4.335 - Emission scenario origin
1 1 ARGOS (Accident Reporting and Guiding Operational System)
2 2 JRODOS (Java version of Real time Online Decision SuppOrt System)
3 3 Assimilated (Scenario retrieved from measurements)
4 4 Centre (scenario by originating centre)
# 5-254 Reserved
255 255 Missing value
