Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4HAC callsign genealogy
Currently held by EAST, 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 K4HAC's current licensee, walking backwards.
- EAST, CHRISTOPHER LGAgranted 1993-10-12cancelled 2003-02-19
Successor callsigns
Callsigns held now by people who previously held K4HAC.
No current licensee on record previously held this callsign.