Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RCF callsign genealogy
Currently held by RUBLE, HERSCHEL 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 K4RCF's current licensee, walking backwards.
- Delaney, Steven RKYgranted 2017-12-18cancelled 2018-02-17
Successor callsigns
Callsigns held now by people who previously held K4RCF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4RCF, oldest first.
- RUBLE, HERSCHEL C FL2004-12-23 → cancelled 2017-03-17
- Delaney, Steven R KY2018-02-17 active