Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K4CIS callsign genealogy
Currently held by Arceneaux, John R
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 K4CIS's current licensee, walking backwards.
- Arceneaux, John RFLgranted 2001-10-22cancelled 2002-02-27
Successor callsigns
Callsigns held now by people who previously held K4CIS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4CIS, oldest first.
- Arceneaux, John R FL2002-02-01 → cancelled 2002-02-04
- Arceneaux, John FL2013-03-08 → cancelled 2025-03-11