Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0EMP callsign genealogy
Currently held by CALVERT, CHRISTOPHER L
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 KA0EMP's current licensee, walking backwards.
- CALVERT, CHRISTOPHER LCOgranted 2017-05-09cancelled 2025-07-25
Successor callsigns
Callsigns held now by people who previously held KA0EMP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA0EMP, oldest first.
- DE CORMIER, JACK C MO2004-07-29 → cancelled 2016-10-28
- CALVERT, CHRISTOPHER L CO2025-07-25 active