Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1MPW callsign genealogy
Currently held by Westerband, Michael
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 K1MPW's current licensee, walking backwards.
- Westerband, MichaelCAgranted 2022-01-10cancelled 2022-01-28
Successor callsigns
Callsigns held now by people who previously held K1MPW.
- WESTERBAND, MICHAELCAgranted 2022-02-18