Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1MDK callsign genealogy
Currently held by Kim, Jow
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 K1MDK's current licensee, walking backwards.
- Kim, JowTXgranted 2014-03-19cancelled 2014-04-08
Successor callsigns
Callsigns held now by people who previously held K1MDK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1MDK, oldest first.
- BEAHM, JAMES T ME1998-03-03 → cancelled 2005-09-29
- Kim, Jow TX2024-03-07 active