Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3ROC callsign genealogy
Currently held by GUZZO JR, ROCCO J
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 K3ROC's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K3ROC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3ROC, oldest first.
- GUZZO JR, ROCCO J AL2008-10-21 → cancelled 2021-01-14
- Wages, Jonathan S AR2021-11-23 active