Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5TAC callsign genealogy
Currently held by ROBINSON, JAMES B
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 KB5TAC's current licensee, walking backwards.
- ROBINSON, JOHN LTXgranted 2006-12-19cancelled 2009-12-25
Successor callsigns
Callsigns held now by people who previously held KB5TAC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB5TAC, oldest first.
- ROBINSON, JAMES B TX2002-03-14 → cancelled 2009-10-10
- ROBINSON, JOHN l TX2020-01-07 active