Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1CSM callsign genealogy
Currently held by SCHUETZE, HENRY 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 N1CSM's current licensee, walking backwards.
- Schuetze, Brendan APAgranted 2018-08-09cancelled 2018-09-05
Successor callsigns
Callsigns held now by people who previously held N1CSM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1CSM, oldest first.
- SCHUETZE, HENRY L CT1992-04-21 → cancelled 2004-04-22
- Schuetze, Brendan A TX2018-09-05 active