Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC1MKC callsign genealogy
Currently held by Irwin, Daniel M
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 KC1MKC's current licensee, walking backwards.
- Irwin, Daniel MCTgranted 2017-03-20cancelled 2017-04-11
Successor callsigns
Callsigns held now by people who previously held KC1MKC.
- Irwin, Daniel MCTgranted 2021-01-01