Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR5B callsign genealogy
Currently held by Gravholt, Terry 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 KR5B's current licensee, walking backwards.
- Gravholt, Terry LOKgranted 2013-05-28cancelled 2015-08-28
Successor callsigns
Callsigns held now by people who previously held KR5B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KR5B, oldest first.
- BOULDIN, ROY D TX2006-08-17 → cancelled 2013-08-09
- Gravholt, Terry L OK2025-06-25 active