Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9LHF callsign genealogy
Currently held by Stahl, Michael R
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 W9LHF's current licensee, walking backwards.
- Stahl, Michael RINgranted 2018-06-19cancelled 2021-11-23
Successor callsigns
Callsigns held now by people who previously held W9LHF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9LHF, oldest first.
- LINN, WALLACE L AZ2002-06-04 → cancelled 2007-07-23
- Stahl, Michael R IN2021-11-23 active