Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4GRD callsign genealogy
Currently held by Holler, Joseph A
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 KG4GRD's current licensee, walking backwards.
- HOLLER, JOSEPH ANCgranted 1994-08-29cancelled 2000-03-09
Successor callsigns
Callsigns held now by people who previously held KG4GRD.
- Holler, Joseph ANCgranted 2018-04-13