Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4BLH callsign genealogy
Currently held by Abbott, Orrin E
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 KB4BLH's current licensee, walking backwards.
- Abbott, Orrin EFLgranted 2021-09-07cancelled 2021-10-05
Successor callsigns
Callsigns held now by people who previously held KB4BLH.
No current licensee on record previously held this callsign.