Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RED callsign genealogy
Currently held by CAMPBELL SR, JOE R
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 K4RED's current licensee, walking backwards.
- SERPHOS, STEVEN AFLgranted 2018-02-02cancelled 2021-01-22
Successor callsigns
Callsigns held now by people who previously held K4RED.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4RED, oldest first.
- CAMPBELL SR, JOE R NC2008-10-10 → cancelled 2020-12-31
- Serphos, Steven FL2021-01-22 active