Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4JZL callsign genealogy
Currently held by SHELTON, GREGORY L
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 KR4JZL's current licensee, walking backwards.
- SHELTON, GREGORY LSCgranted 2024-01-23cancelled 2026-02-23
Successor callsigns
Callsigns held now by people who previously held KR4JZL.
No current licensee on record previously held this callsign.