Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1ABB callsign genealogy
Currently held by Brautigam, Albert B
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 K1ABB's current licensee, walking backwards.
- Brautigam, Albert BTXgranted 2022-07-21cancelled 2022-08-09
Successor callsigns
Callsigns held now by people who previously held K1ABB.
No current licensee on record previously held this callsign.