Internet Radio Uniform Callsign - Standardised Internet Radio Call Letter Catalog System

Military Call Signs 101: A Behind-the-Scenes Look

PDF) Speech intelligibility of the Callsign Acquisition Test (CAT) for Army communication systems

Federal Register :: Revisions to Broadcast Auxiliary Service Rules

Management of VHF and HF Selcalls and Callsigns, PDF, International Telecommunication Union

Military Alphabet - NATO Phonetic Alphabet - Communication

Call sign - Wikipedia

What are phonetic alphabets and how are they used by the police in the field? What is one example of how law enforcement uses alphanumerics? - Quora

Technical & Professional Secretary, IFATCA

Annual Safety Recommendations Review 2011 - European Aviation

AOPA Say Again - Radio Communications Done Right

Police Code Kma. Common Language Code Center. Unbearable awareness is

Broadcast call signs - Wikipedia

FAQ: I currently own a call sign (with a -DB suffix) for my internet radio station, can I use that call sign on my LPFM station?

Ham Digital Modes