Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4RLW callsign genealogy
Currently held by GREBE, DON 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 N4RLW's current licensee, walking backwards.
- WOODLIEF, ROBERT LNCgranted 1993-03-23cancelled 2000-09-01
Successor callsigns
Callsigns held now by people who previously held N4RLW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4RLW, oldest first.
- GREBE, DON W FL1987-11-03 → cancelled 1999-11-04
- WOODLIEF, ROBERT L NC2021-01-05 active