Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0TRB callsign genealogy
Currently held by Tribble, Roy L
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 K0TRB's current licensee, walking backwards.
- Tribble, Roy LMOgranted 2010-05-24cancelled 2010-10-15
Successor callsigns
Callsigns held now by people who previously held K0TRB.
No current licensee on record previously held this callsign.