Confidence: Medium · Source: FCC ULS · As of 2026-10-24
KB3VUZ callsign genealogy
Currently held by Fritz Jr, Gregory R
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 KB3VUZ's current licensee, walking backwards.
- Fritz Jr, Gregory RPAgranted 2026-09-01cancelled 2026-09-29
Successor callsigns
Callsigns held now by people who previously held KB3VUZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB3VUZ, oldest first.
- Fritz Jr, Gregory R PA2011-03-30 → cancelled 2023-03-31
- Fritz Jr, Gregory R PA2026-09-29 active