Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8WMU callsign genealogy
Currently held by Killoran, Nicholas
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 W8WMU's current licensee, walking backwards.
- Killoran, Nicholas KMIgranted 2014-02-27cancelled 2015-10-31
Successor callsigns
Callsigns held now by people who previously held W8WMU.
- SCHMITT, PHILIP JMIgranted 2009-12-08cancelled 2015-05-09
All historical holders
Every license row we've seen with the callsign W8WMU, oldest first.
- SCHMITT, PHILIP J MI2008-04-22 → cancelled 2009-12-08
- Killoran, Nicholas MI2026-01-06 active