Every Possible Radio Callsign

KAAA, KAAB, KAAC, KAAD, KAAE, KAAF, KAAG, KAAH, KAAI, KAAJ, KAAK, KAAL, KAAM, KAAN, KAAO, KAAP, KAAQ, KAAR, KAAS, KAAT, KAAU, KAAV, KAAW, KAAX, KAAY, KAAZ, KABA, KABB, KABC, KABD, KABE, KABF, KABG, KABH, KABI, KABJ, KABK, KABL, KABM, KABN, KABO, KABP, KABQ, KABR, KABS, KABT, KABU, KABV, KABW, KABX, KABY, KABZ, KACA, KACB, KACC, KACD, KACE, KACF, KACG, KACH, KACI, KACJ, KACK, KACL, KACM, KACN, KACO, KACP, KACQ, KACR, KACS, KACT, KACU, KACV, KACW, KACX, KACY, KACZ, KADA, KADB, KADC, KADD, KADE, KADF, KADG, KADH, KADI, KADJ, KADK, KADL, KADM, KADN, KADO, KADP, KADQ, KADR, KADS, KADT, KADU, KADV, KADW, KADX, KADY, KADZ, KAEA, KAEB, KAEC, KAED, KAEE, KAEF, KAEG, KAEH, KAEI, KAEJ, KAEK...

Thinking about which callsign to unnoficially assign ourselves for the microbroadcasting project at Drift Station, I thought “how many possible combinations of the four-letter callsign can there be?”  The answer is 17,576 for both east (prefix of W) and west (prefix of K) of the Mississippi; the list was generated using TextMechanic.com’s great tools.

[ download the entire list as a .csv file here or as a text file (can be viewed in your browser) ]