Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0MK callsign genealogy
Currently held by KING, MARK R
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 KB0MK's current licensee, walking backwards.
- KING, MARK RSDgranted 2014-09-09cancelled 2016-11-26
Successor callsigns
Callsigns held now by people who previously held KB0MK.
- MONTE, BROADAWAY ROKgranted 2019-10-01
All historical holders
Every license row we've seen with the callsign KB0MK, oldest first.
- BROADAWAY JR, MONTE R MO1995-01-25 → cancelled 1999-10-28
- KING, MARK R SD2016-11-26 active