First Reduction File -- The files containing raw information from the spacecraft in a format much like the one in which the information was sent to the ground. These are the initial files as received from Japan.

irst eduction iles the raw files from Japan before any processing is done on them.

The ISO currency code for the Andorran Franc.

The ISO 4217 currency code for the French Franc.

Fire Resistant Fluid, a fluid that through specific testing is shown to be more fire resistant than other fluids such as mineral oils. Other considerations include the ability to be self extinguishing and calorific values.

Frame Relay Forum.

Friction costs Frictional cost