Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0RZB callsign genealogy
Currently held by Baker, Thomas R
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 KB0RZB's current licensee, walking backwards.
- Baker, Thomas RMOgranted 2017-06-07cancelled 2017-06-30
Successor callsigns
Callsigns held now by people who previously held KB0RZB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB0RZB, oldest first.
- BAKER, THOMAS R KS2005-01-25 → cancelled 2017-04-07
- Baker, Thomas R KS2017-06-30 active