Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4RH callsign genealogy
Currently held by HAMRICK JR, ROBERT Y
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 WA4RH's current licensee, walking backwards.
- HOLBROOK, RONNIE DNCgranted 2019-04-15cancelled 2023-04-11
Successor callsigns
Callsigns held now by people who previously held WA4RH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4RH, oldest first.
- HAMRICK JR, ROBERT Y SC2010-09-23 → cancelled 2022-10-12
- HOLBROOK, RONNIE D NC2023-04-11 active