Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9ZAK callsign genealogy
Currently held by ZAKULA, MARK S
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 W9ZAK's current licensee, walking backwards.
- N5FAOcancelledcancelled 1998-10-20
Successor callsigns
Callsigns held now by people who previously held W9ZAK.
No current licensee on record previously held this callsign.