Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB1CA callsign genealogy
Currently held by Lambert, Brian M
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 AB1CA's current licensee, walking backwards.
- Lambert, Brian MMAgranted 2002-04-19cancelled 2003-02-20
Successor callsigns
Callsigns held now by people who previously held AB1CA.
- LAMBERT, BRIAN MAZgranted 2025-07-02