Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0RSM callsign genealogy
Currently held by MARTIN, RANDALL S
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 N0RSM's current licensee, walking backwards.
- MARTIN, RANDALL SKSgranted 2024-08-08cancelled 2024-08-27
Successor callsigns
Callsigns held now by people who previously held N0RSM.
- MARTIN, RANDALL SKSgranted 2025-09-16
All historical holders
Every license row we've seen with the callsign N0RSM, oldest first.
- BARNSTORFF, HENRY D MO2012-01-05 → cancelled 2024-03-26
- MARTIN, RANDALL S KS2024-08-27 → cancelled 2025-09-16