Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AJ1DM callsign genealogy
Currently held by Merkel, John D
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 AJ1DM's current licensee, walking backwards.
- Merkel, John DRIgranted 2011-04-25cancelled 2011-06-14
Successor callsigns
Callsigns held now by people who previously held AJ1DM.
No current licensee on record previously held this callsign.