Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7ERM callsign genealogy
Currently held by DOLBOW, THOMAS 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 N7ERM's current licensee, walking backwards.
- Erman, Aaron NWAgranted 2013-11-26cancelled 2016-09-16
Successor callsigns
Callsigns held now by people who previously held N7ERM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7ERM, oldest first.
- DOLBOW, THOMAS M AZ1987-09-29 → cancelled 1999-09-30
- Erman, Aaron N TN2026-07-14 active