Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5BL callsign genealogy
Currently held by OTERO, EDWIN
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 K5BL's current licensee, walking backwards.
- OTERO, EDWINTXgranted 2013-09-10cancelled 2021-09-28
Successor callsigns
Callsigns held now by people who previously held K5BL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5BL, oldest first.
- LENTZ, ROBERT E TX2016-08-08 → cancelled 2019-09-09
- OTERO, EDWIN TX2021-09-28 active