Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1GJ callsign genealogy
Currently held by Hennighausen, Konstantinos
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 AC1GJ's current licensee, walking backwards.
- Hennighausen, KonstantinosMAgranted 2018-10-17cancelled 2018-11-13
Successor callsigns
Callsigns held now by people who previously held AC1GJ.
- Hennighausen, KonstantinosMAgranted 2018-12-04cancelled 2021-02-23