Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9SMW callsign genealogy
Currently held by STOCKINGER, PAUL P
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 W9SMW's current licensee, walking backwards.
- Brentlinger, Diane MINgranted 1996-12-04cancelled 2004-07-09
Successor callsigns
Callsigns held now by people who previously held W9SMW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9SMW, oldest first.
- STOCKINGER, PAUL P IN1988-03-15 → cancelled 2000-03-16
- Brentlinger, Diane M IN2025-03-08 active