Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5BBP callsign genealogy
Currently held by Withrow, Harold 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 W5BBP's current licensee, walking backwards.
- Withrow, Harold LOKgranted 2022-04-05cancelled 2023-12-19
Successor callsigns
Callsigns held now by people who previously held W5BBP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5BBP, oldest first.
- Tubbs, Michael K TX2010-05-28 → cancelled 2022-08-02
- Withrow, Harold L OK2023-12-19 active