Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KC2MFU callsign genealogy
Currently held by Erickson, Michael K
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 KC2MFU's current licensee, walking backwards.
- Erickson, Michael KMIgranted 2021-01-29cancelled 2025-01-14
- Erickson, Michael KMIgranted 2015-07-07cancelled 2021-01-29
- Erickson, Michael KNCgranted 2015-03-17cancelled 2015-07-07
- Smolowitz, ArthurFLgranted 2021-05-22
- Smolowitz, ArthurFLgranted 2021-03-02cancelled 2021-05-22
- Smolowitz, ArthurFLgranted 2021-02-01cancelled 2021-03-02
Successor callsigns
Callsigns held now by people who previously held KC2MFU.
- Erickson, Michael KNYgranted 2004-01-24cancelled 2005-04-26
All historical holders
Every license row we've seen with the callsign KC2MFU, oldest first.
- Erickson, Michael K NY2003-11-26 → cancelled 2004-01-24
- Erickson, Michael K MI2025-01-14 active