Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8MCK callsign genealogy
Currently held by PUNDERSON, JOHN O
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 W8MCK's current licensee, walking backwards.
- KRUGER, MARY CMIgranted 2015-03-13cancelled 2015-04-03
Successor callsigns
Callsigns held now by people who previously held W8MCK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8MCK, oldest first.
- PUNDERSON, JOHN O MN1999-01-21 → cancelled 2011-01-22
- Hitchens, MARY C MI2025-04-11 active