Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1BI callsign genealogy
Currently held by Baldwin Jr, Howard W
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 AB1BI's current licensee, walking backwards.
- Baldwin Jr, Howard WCTgranted 2002-07-12cancelled 2002-07-22
Successor callsigns
Callsigns held now by people who previously held AB1BI.
- Baldwin Jr, Howard WCTgranted 2002-08-09cancelled 2003-05-20