Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AJ6KB callsign genealogy
Currently held by Duggan, Thomas J
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 AJ6KB's current licensee, walking backwards.
- Duggan, Thomas JCAgranted 2018-03-28cancelled 2019-06-05
Successor callsigns
Callsigns held now by people who previously held AJ6KB.
- Duggan, Thomas JWAgranted 2019-08-06