Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0IRS callsign genealogy
Currently held by HAMERLE, STEVEN C
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 N0IRS's current licensee, walking backwards.
- DUPUY, JACQUE LMOgranted 2005-12-23cancelled 2008-04-15
Successor callsigns
Callsigns held now by people who previously held N0IRS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0IRS, oldest first.
- HAMERLE, STEVEN C MO1987-12-01 → cancelled 1999-12-02
- DUPUY, JACQUE L MO2018-01-17 active