Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR3MCL callsign genealogy
Currently held by Long, Marcus
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 KR3MCL's current licensee, walking backwards.
- Long, Marcus CNCgranted 2026-06-04cancelled 2026-06-23
Successor callsigns
Callsigns held now by people who previously held KR3MCL.
- Long, MarcusNCgranted 2026-07-11