Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0WTM callsign genealogy
Currently held by OPITZ, MICHAEL 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 W0WTM's current licensee, walking backwards.
- Cope, Micah TIAgranted 2019-09-09cancelled 2019-12-14
Successor callsigns
Callsigns held now by people who previously held W0WTM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0WTM, oldest first.
- OPITZ, MICHAEL M MO1996-05-21 → cancelled 2008-05-22
- Cope, Micah T IA2019-12-14 active