Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0MAC callsign genealogy
Currently held by CARLSTROM, ROGER L
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 N0MAC's current licensee, walking backwards.
- DePew, DerikMNgranted 2024-04-11cancelled 2024-05-04
Successor callsigns
Callsigns held now by people who previously held N0MAC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0MAC, oldest first.
- CARLSTROM, ROGER L MN2010-03-10 → cancelled 2022-06-07
- DePew, Derik MN2024-05-04 active