Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4RWL callsign genealogy
Currently held by LAMB SR, ROBERT C
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 N4RWL's current licensee, walking backwards.
- Holzman, Jacob ACTgranted 2019-08-27cancelled 2020-01-10
Successor callsigns
Callsigns held now by people who previously held N4RWL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4RWL, oldest first.
- LAMB SR, ROBERT C GA2007-09-17 → cancelled 2019-12-17
- Holzman, Jacob A CT2020-01-10 active