Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7ABB callsign genealogy
Currently held by Heitman, James 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 N7ABB's current licensee, walking backwards.
- Heitman, James MAZgranted 2017-02-24cancelled 2017-04-11
Successor callsigns
Callsigns held now by people who previously held N7ABB.
No current licensee on record previously held this callsign.