Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3MK callsign genealogy
Currently held by KALBACH, MARTIN L
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 K3MK's current licensee, walking backwards.
- Krick, Matthew WAZgranted 2004-08-20cancelled 2007-05-30
Successor callsigns
Callsigns held now by people who previously held K3MK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3MK, oldest first.
- KALBACH, MARTIN L PA1996-11-01 → cancelled 1997-10-09
- Krick, Matthew W AZ2017-04-05 active