Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9TTA callsign genealogy
Currently held by CARLOS, FRANCISCO 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 KB9TTA's current licensee, walking backwards.
- CARLOS, FRANCISCO Jcancelled 1998-11-27
Successor callsigns
Callsigns held now by people who previously held KB9TTA.
- CARLOS, FRANCISCO JAZgranted 2020-07-28