Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD8CMT callsign genealogy
Currently held by FILKINS, MARY C
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 KD8CMT's current licensee, walking backwards.
- FILKINS, MARY CMIgranted 2015-11-12cancelled 2019-05-07
Successor callsigns
Callsigns held now by people who previously held KD8CMT.
- FILKINS, MARY CMIgranted 2015-11-12cancelled 2019-05-07
All historical holders
Every license row we've seen with the callsign KD8CMT, oldest first.
- FILKINS, MARY C MI2015-11-12 → cancelled 2019-04-17
- FILKINS, MARY C MI2019-05-07 active