Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0MDW callsign genealogy
Currently held by WITHAM, MICHAEL D
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 K0MDW's current licensee, walking backwards.
- WITHAM, MICHAEL DSDgranted 2018-11-17cancelled 2019-07-23
Successor callsigns
Callsigns held now by people who previously held K0MDW.
- WITHAM, MICHAEL DFLgranted 2020-01-18