Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0JEG callsign genealogy
Currently held by Grumling, John E
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 K0JEG's current licensee, walking backwards.
- Grumling, John ECOgranted 2001-08-13cancelled 2010-10-05
Successor callsigns
Callsigns held now by people who previously held K0JEG.
No current licensee on record previously held this callsign.