Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6UPK callsign genealogy
Currently held by HESTER, JOHN 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 KB6UPK's current licensee, walking backwards.
- HESTER, JOHN WCAgranted 2016-04-26cancelled 2021-05-11
Successor callsigns
Callsigns held now by people who previously held KB6UPK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB6UPK, oldest first.
- LOSTAUNAU, MAURICE CA2007-09-05 → cancelled 2019-11-19
- HESTER, JOHN W CA2021-05-11 active