Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9ZZZ callsign genealogy
Currently held by MELAU, JEFFREY B
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 W9ZZZ's current licensee, walking backwards.
- MELAU, JEFFREY BWIgranted 2017-03-01cancelled 2024-03-16
Successor callsigns
Callsigns held now by people who previously held W9ZZZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9ZZZ, oldest first.
- MELAU, LARRY J WI2017-03-28 → cancelled 2022-02-27
- MELAU, JEFFREY B WI2024-03-16 active