Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9STF callsign genealogy
Currently held by JUNGELS, NICHOLAS F
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 N9STF's current licensee, walking backwards.
- Jungels, Nicholas FWIgranted 2019-01-31cancelled 2019-05-14
Successor callsigns
Callsigns held now by people who previously held N9STF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9STF, oldest first.
- JUNGELS, NICHOLAS F IL2003-03-10 → cancelled 2015-03-17
- Jungels, Nicholas F WI2019-05-14 active