Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9ZOO callsign genealogy
Currently held by Maslana, Edward 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 W9ZOO's current licensee, walking backwards.
- Maslana, Edward JILgranted 2014-04-22cancelled 2015-07-31
Successor callsigns
Callsigns held now by people who previously held W9ZOO.
- Maslana, Ed JILgranted 2019-12-28