Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4ILR callsign genealogy
Currently held by GERUE, DAVID 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 N4ILR's current licensee, walking backwards.
- BLYTHE JR, GLENN ZFLgranted 2026-07-25cancelled 2026-08-14
Successor callsigns
Callsigns held now by people who previously held N4ILR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4ILR, oldest first.
- GERUE, DAVID R CA1989-05-16 → cancelled 2001-05-17
- BLYTHE JR, GLENN Z FL2013-04-20 → cancelled 2025-04-22
- BLYTHE JR, GLENN Z FL2026-08-14 active