Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA1UM callsign genealogy
Currently held by MC CORMICK, GEORGE N
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AA1UM's current licensee, walking backwards.
- MC CORMICK, GEORGE Ncancelled 1999-06-28
Successor callsigns
Callsigns held now by people who previously held AA1UM.
- McCormick, george nINgranted 2023-08-08