Source for the information shown on this page:
Paul L Herrman (N0NBH)
US Ham Bands. shows you the table of ham radio frequencies.
Common Country Call Sign Prefixes. This is the first letter you see or hear in any call sign. This first letter indicates which county the station has a license to operate. Example: For the Untied States the letters AA, AK, K, N would be the FIRST letter in the person’s call sign for a person who has a license given by the United States FCC.
U.S. Frequency Allocation Chart. This is a very complicated looking graphic chart that should be viewed enlarged and shows how all the radio frequencies are chopped up for different uses and modes of communication.
Created October 5, 2020