Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1CEM callsign genealogy
Currently held by HACKETT JR, JOHN J
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 K1CEM's current licensee, walking backwards.
- HACKETT JR, JOHN JMAgranted 2010-03-25cancelled 2012-01-04
Successor callsigns
Callsigns held now by people who previously held K1CEM.
No current licensee on record previously held this callsign.