Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6ATO callsign genealogy
Currently held by Katz, Jonathan E
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 K6ATO's current licensee, walking backwards.
- Katz, Jonathan ECAgranted 2014-03-28cancelled 2014-04-15
Successor callsigns
Callsigns held now by people who previously held K6ATO.
No current licensee on record previously held this callsign.