Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4GB callsign genealogy
Currently held by ERNSBERGER, JOE W
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 KN4GB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KN4GB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KN4GB, oldest first.
- ERNSBERGER, JOE W VA2000-07-28 → cancelled 2012-07-31
- ROBINSON, MELVYN SC2018-06-16 → cancelled 2026-08-13