Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL1MM callsign genealogy
Currently held by McCarthy, Michael
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 KL1MM's current licensee, walking backwards.
- McCarthy, MichaelAKgranted 2017-07-11cancelled 2018-07-13
Successor callsigns
Callsigns held now by people who previously held KL1MM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KL1MM, oldest first.
- Gibson, Christi D AK2003-05-12 → cancelled 2015-05-13
- McCarthy, Michael TX2018-07-13 active