Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0MPS callsign genealogy
Currently held by Springer, Michael P
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 W0MPS's current licensee, walking backwards.
- Schaffer, Katelyn RMOgranted 2018-10-15cancelled 2018-11-16
Successor callsigns
Callsigns held now by people who previously held W0MPS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0MPS, oldest first.
- Springer, Michael P CO2001-01-17 → cancelled 2013-01-18
- Schaffer, Katelyn R MO2018-11-16 active