Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9IFA callsign genealogy
Currently held by SAHR, JAMES 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 N9IFA's current licensee, walking backwards.
- Prete, Kathryn SWIgranted 2007-11-13cancelled 2008-12-16
Successor callsigns
Callsigns held now by people who previously held N9IFA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9IFA, oldest first.
- SAHR, JAMES F WI1998-11-25 → cancelled 2002-09-08
- Prete, Kathryn S WI2019-01-03 active