Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC4TGM callsign genealogy
Currently held by SURRAN, MICHAEL J
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 KC4TGM's current licensee, walking backwards.
- KA1QOPno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KC4TGM.
- SURRAN, MICHAEL JAZgranted 2017-05-09