Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0MDK callsign genealogy
Currently held by Keleher, Matthew
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 W0MDK's current licensee, walking backwards.
- Keleher, MatthewCOgranted 2018-06-18cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held W0MDK.
No current licensee on record previously held this callsign.