Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KB7GRN callsign genealogy
Currently held by YORK, ROBERT C
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 KB7GRN's current licensee, walking backwards.
- NEBEKER, GARYUTgranted 2021-03-29cancelled 2021-04-16
Successor callsigns
Callsigns held now by people who previously held KB7GRN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB7GRN, oldest first.
- YORK, ROBERT C WA1989-01-31 → cancelled 2001-02-01
- NEBEKER, GARY UT2021-04-16 active