Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1MCC callsign genealogy
Currently held by MC CORMICK, MARTIN 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 K1MCC's current licensee, walking backwards.
- MC CORMICK, MARTIN SMAgranted 2014-11-21cancelled 2015-10-06
Successor callsigns
Callsigns held now by people who previously held K1MCC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1MCC, oldest first.
- CASTELLANI, CINDY M PA2003-07-25 → cancelled 2015-07-28
- MC CORMICK, MARTIN S CA2025-08-01 active