Question about Mode column

[JDrisc3480]

In the mode column of the frequency database, what does FMN mean? I cannot for the live of me remember what it is.

Thank you,

 

[GTR8000]

FMN = Narrowband FM (12.5 kHz), aka NFM

 

[JDrisc3480]

FMN = Narrowband FM (12.5 kHz), aka NFM

Thank you so very much