Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA3NA callsign genealogy
Currently held by CLARK, JOHN F
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 AA3NA's current licensee, walking backwards.
- Sisson Jr., Thomas UDEgranted 2015-11-20cancelled 2016-02-12
Successor callsigns
Callsigns held now by people who previously held AA3NA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA3NA, oldest first.
- CLARK, JOHN F PA2003-03-18 → cancelled 2014-06-14
- Sisson Jr., Thomas U DE2016-02-12 active