Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RER callsign genealogy
Currently held by HARRY III, CHARLES F
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 K4RER's current licensee, walking backwards.
- ROTH, ROBERT ENCgranted 2024-08-06cancelled 2024-08-24
Successor callsigns
Callsigns held now by people who previously held K4RER.
- RYHAL, RANDY EFLgranted 2016-11-26
All historical holders
Every license row we've seen with the callsign K4RER, oldest first.
- HARRY III, CHARLES F NC1997-05-20 → cancelled 2009-05-21
- RYHAL, RANDY E FL2016-02-06 → cancelled 2016-11-26
- ROTH, ROBERT E NC2024-08-24 active