Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4JJZ callsign genealogy
Currently held by RITACCO, PAUL A
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 W4JJZ's current licensee, walking backwards.
- RITACCO, PAUL ADCgranted 2006-09-06cancelled 2016-10-15
Successor callsigns
Callsigns held now by people who previously held W4JJZ.
- ZIMMATORE JR, JOHN JMAgranted 2025-11-25
All historical holders
Every license row we've seen with the callsign W4JJZ, oldest first.
- ZIMMATORE JR, JOHN J GA1998-04-22 → cancelled 2006-01-07
- RITACCO, PAUL A FL2016-10-15 active