Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4MNK callsign genealogy
Currently held by HOLBROOK Jr, RONNIE D
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 N4MNK's current licensee, walking backwards.
- HOLBROOK Jr, RONNIE DNCgranted 2019-08-21cancelled 2023-03-13
Successor callsigns
Callsigns held now by people who previously held N4MNK.
No current licensee on record previously held this callsign.