Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6MJK callsign genealogy
Currently held by KRAMER, MARILYN J
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 K6MJK's current licensee, walking backwards.
- Ketron, Mikie JCAgranted 2015-06-22cancelled 2016-01-22
Successor callsigns
Callsigns held now by people who previously held K6MJK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6MJK, oldest first.
- KRAMER, MARILYN J CA2000-10-24 → cancelled 2012-10-25
- Ketron, Mikie J CA2025-12-20 active