Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NI9L callsign genealogy
Currently held by Kopp, Jeffrey 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 NI9L's current licensee, walking backwards.
- KOPP, JEFFREY RWIgranted 2013-02-22cancelled 2014-02-11
Successor callsigns
Callsigns held now by people who previously held NI9L.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NI9L, oldest first.
- TAYLOR, TEMPLE CA2001-09-10 → cancelled 2013-12-05
- Kopp, Jeffrey R WI2024-03-26 active