Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9SMH callsign genealogy
Currently held by Hollick, Sean 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 W9SMH's current licensee, walking backwards.
- HOLZINGER, STEVEN MINgranted 2022-02-25cancelled 2026-07-17
Successor callsigns
Callsigns held now by people who previously held W9SMH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9SMH, oldest first.
- Hollick, Sean M IN2013-10-01 → cancelled 2026-03-06
- HOLZINGER, STEVEN M IN2026-07-17 active