Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WS9H callsign genealogy
Currently held by SCHAEFER, MICHAEL W
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 WS9H's current licensee, walking backwards.
- CURTIS, RHONDA SINgranted 2004-05-03cancelled 2009-08-04
Successor callsigns
Callsigns held now by people who previously held WS9H.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WS9H, oldest first.
- SCHAEFER, MICHAEL W MI2000-04-28 → cancelled 2004-08-01
- CURTIS, RHONDA S IN2019-08-20 active