Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9IQ callsign genealogy
Currently held by Schulz, Glenn B
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 W9IQ's current licensee, walking backwards.
- Schulz, Glenn BWIgranted 1999-02-11cancelled 2005-09-13
Successor callsigns
Callsigns held now by people who previously held W9IQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9IQ, oldest first.
- OSTROFSKY, BERNARD MD1994-07-15 → cancelled 2000-02-01
- Schulz, Glenn B MO2025-06-18 active