Sec.  90.1213   Band plan.

   The following channel center frequencies are permitted to be aggregated for
   channel bandwidths of 5, 10, 15 or 20 MHz. Channel numbers 1 through 5 and
   15 through 18 are 1 MHz channels and channels numbers 6 through 14 are 5 MHz
   channels.
   Center frequency
   (MHz)   Channel Nos.
         4940.5           1
         4941.5           2
         4942.5           3
         4943.5           4
         4944.5           5
         4947.5           6
         4952.5           7
         4957.5           8
         4962.5           9
         4967.5          10
         4972.5          11
         4977.5          12
         4982.5          13
         4985.5          14
         4986.5          15
         4987.5          16
         4988.5          17
         4989.5          18