Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1TBC callsign genealogy
Currently held by ARNOLD, ROBERT E
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 KA1TBC's current licensee, walking backwards.
- Gray, Curtis AMEgranted 2024-07-02cancelled 2024-07-20
Successor callsigns
Callsigns held now by people who previously held KA1TBC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1TBC, oldest first.
- ARNOLD, ROBERT E VT1989-01-17 → cancelled 2001-01-18
- Gray, Curtis A ME2024-07-20 active