Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9NFL callsign genealogy
Currently held by FRIESNER, JEFF W
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 N9NFL's current licensee, walking backwards.
- TIETZ, ALAN VINgranted 2005-10-03cancelled 2006-03-07
Successor callsigns
Callsigns held now by people who previously held N9NFL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9NFL, oldest first.
- FRIESNER, JEFF W IL1991-11-19 → cancelled 2003-11-20
- TIETZ, ALAN V IN2016-01-05 active