Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1IB callsign genealogy
Currently held by Medeiros, David A
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 AB1IB's current licensee, walking backwards.
- Medeiros, David AMAgranted 2007-03-27cancelled 2007-12-18
Successor callsigns
Callsigns held now by people who previously held AB1IB.
- Medeiros, David AMAgranted 2017-11-08