Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0MD callsign genealogy
Currently held by KERSTEN II, RALPH B
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 W0MD's current licensee, walking backwards.
- KERSTEN II, RALPH BMNgranted 1994-02-15cancelled 2001-06-05
Successor callsigns
Callsigns held now by people who previously held W0MD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0MD, oldest first.
- JOHNSON, GEORGE D MN1994-12-06 → cancelled 1999-05-16
- KERSTEN II, RALPH B MN2021-05-04 active