Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8RZZ callsign genealogy
Currently held by GRADOLPH, 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 W8RZZ's current licensee, walking backwards.
- PIROLLI, THEODORE VMIgranted 2008-03-06cancelled 2014-07-25
Successor callsigns
Callsigns held now by people who previously held W8RZZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8RZZ, oldest first.
- GRADOLPH, ROBERT C FL2014-01-03 → cancelled 2014-04-19
- PIROLLI, THEODORE V MI2024-07-16 active