Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AK4AU callsign genealogy
Currently held by ESSLINGER, ERIC 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 AK4AU's current licensee, walking backwards.
- ESSLINGER, ERIC JTNgranted 2001-06-21cancelled 2010-07-23
Successor callsigns
Callsigns held now by people who previously held AK4AU.
No current licensee on record previously held this callsign.