How can I tell narrowband?

[Nasby]

What are the freq steps needed for a scanner to receive the narrowband frequencies? Is it 12.5 or something?

 

[captclint]

What are the freq steps needed for a scanner to receive the narrowband frequencies? Is it 12.5 or something?

There was just a discussion of this in this forum only a few days ago: http://www.radioreference.com/forums/showthread.php?t=115727