Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4KIS callsign genealogy
Currently held by TANBERG, CURTIS 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 N4KIS's current licensee, walking backwards.
- TANBERG, CURTIS JFLgranted 2016-04-11cancelled 2016-05-03
Successor callsigns
Callsigns held now by people who previously held N4KIS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4KIS, oldest first.
- TANBERG, CURTIS J FL1994-07-15 → cancelled 2006-07-18
- TANBERG, CURTIS J FL2016-05-03 active