Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1ABB callsign genealogy
Currently held by Butler, Andrew 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 W1ABB's current licensee, walking backwards.
- BUTLER, ANDREW BMAgranted 1996-12-10cancelled 2001-04-07
Successor callsigns
Callsigns held now by people who previously held W1ABB.
No current licensee on record previously held this callsign.