Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NR9L callsign genealogy
Currently held by MASON, ALLAN B
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 NR9L's current licensee, walking backwards.
- LEWIS, RONALD WINgranted 2008-05-20cancelled 2016-08-12
Successor callsigns
Callsigns held now by people who previously held NR9L.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NR9L, oldest first.
- MASON, ALLAN B IN2007-02-24 → cancelled 2014-07-23
- LEWIS, RONALD W IN2026-05-16 active