Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9ZZX callsign genealogy
Currently held by SCHLEIFFER, RICHARD 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 W9ZZX's current licensee, walking backwards.
- Lindenberger, James SCAgranted 2015-09-01cancelled 2016-02-09
Successor callsigns
Callsigns held now by people who previously held W9ZZX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9ZZX, oldest first.
- SCHLEIFFER, RICHARD A OH2003-01-29 → cancelled 2015-04-28
- Lindenberger, James CA2016-02-09 active