Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K4MPW callsign genealogy
Currently held by WOLFE, 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 K4MPW's current licensee, walking backwards.
- WOLFE, MICHAEL PNCgranted 2010-04-01cancelled 2018-12-28
Successor callsigns
Callsigns held now by people who previously held K4MPW.
No current licensee on record previously held this callsign.