Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4RHM callsign genealogy
Currently held by Monk III, Richard H
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 N4RHM's current licensee, walking backwards.
- Monk III, Richard HALgranted 2021-01-26cancelled 2021-03-12
Successor callsigns
Callsigns held now by people who previously held N4RHM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4RHM, oldest first.
- WATERS, PAULINE C SC2007-06-05 → cancelled 2019-08-30
- Monk III, Richard H AL2021-03-12 active