Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9ZNA callsign genealogy
Currently held by Slack, Gerald N
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 K9ZNA's current licensee, walking backwards.
- Slack, Gerald NAZgranted 2023-12-15cancelled 2024-01-03
Successor callsigns
Callsigns held now by people who previously held K9ZNA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9ZNA, oldest first.
- BATTEN, ANGELA M GA2005-08-12 → cancelled 2017-08-15
- Slack, Gerald N AZ2024-01-03 active