Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NU9B callsign genealogy
Currently held by Franklin, Andrew T
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 NU9B's current licensee, walking backwards.
- Riley, Dale EINgranted 2024-01-17cancelled 2024-12-21
Successor callsigns
Callsigns held now by people who previously held NU9B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NU9B, oldest first.
- LONGLEY, DONALD D IL1997-06-10 → cancelled 2009-06-11
- Franklin, Andrew T NC2012-11-24 → cancelled 2024-12-04
- Riley, Dale E IN2024-12-21 active