Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K4ESS callsign genealogy
Currently held by SHAPACK, EDWARD S
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 K4ESS's current licensee, walking backwards.
- SHAPACK, EDWARD SNCgranted 2014-08-25cancelled 2014-09-12
Successor callsigns
Callsigns held now by people who previously held K4ESS.
No current licensee on record previously held this callsign.