Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4KGC callsign genealogy
Currently held by Whitmer, John 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 KJ4KGC's current licensee, walking backwards.
- Whitmer, John LVAgranted 2019-06-18
Successor callsigns
Callsigns held now by people who previously held KJ4KGC.
- Whitmer, John LVAgranted 2019-06-18