Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3MMM callsign genealogy
Currently held by Kalin, Michael S
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 KC3MMM's current licensee, walking backwards.
- Kalin, Michael SMDgranted 2020-03-02cancelled 2022-04-01
Successor callsigns
Callsigns held now by people who previously held KC3MMM.
- Price, Joseph DMDgranted 2018-12-11
All historical holders
Every license row we've seen with the callsign KC3MMM, oldest first.
- Price, Joseph D MD2018-11-21 → cancelled 2018-12-11
- Kalin, Michael S MD2022-04-01 active