Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7JZZ callsign genealogy
Currently held by Zachariasen, Jacob 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 W7JZZ's current licensee, walking backwards.
- Zachariasen, Jacob JORgranted 2018-01-24cancelled 2018-02-13
Successor callsigns
Callsigns held now by people who previously held W7JZZ.
- RAVENSCROFT, ROBERT BAZgranted 2021-07-29
All historical holders
Every license row we've seen with the callsign W7JZZ, oldest first.
- RAVENSCROFT, ROBERT B AZ2003-06-25 → cancelled 2011-09-27
- Zachariasen, Jacob J OR2018-02-13 active