Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4GR callsign genealogy
Currently held by GROSS, GREG
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 K4GR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4GR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4GR, oldest first.
- SLAGLE, ROBERT J VA1994-10-31 → cancelled 1996-09-02
- GROSS, GREG AL2012-11-20 → cancelled 2024-12-11
- RANDOLPH, GREGORY D KY2024-12-31 active