Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE7KM callsign genealogy
Currently held by COSTA, CHARLES V
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 KE7KM's current licensee, walking backwards.
- COSTA, CHARLES VIDgranted 2025-03-04cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held KE7KM.
- COSTA, CHARLES VIDgranted 2025-03-04cancelled 2025-12-09
All historical holders
Every license row we've seen with the callsign KE7KM, oldest first.
- ABRAHAMSON, LYNN P UT1997-01-24 → cancelled 2007-05-23
- COSTA, CHARLES V ID2023-04-22 → cancelled 2025-03-04
- COSTA, CHARLES V ID2025-12-09 active