Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA1JM callsign genealogy
Currently held by Twiggs, David 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 AA1JM's current licensee, walking backwards.
- AL7MKno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AA1JM.
- Twiggs, David JMIgranted 2026-09-04