Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1MJM callsign genealogy
Currently held by Miciukiewicz, Michael 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 K1MJM's current licensee, walking backwards.
- Miciukiewicz, Michael JCTgranted 2011-01-14cancelled 2011-03-12
Successor callsigns
Callsigns held now by people who previously held K1MJM.
No current licensee on record previously held this callsign.