Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3JA callsign genealogy
Currently held by SITNIK, THADDEUS A
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 K3JA's current licensee, walking backwards.
- SITNIK, THADDEUS ANYgranted 2015-12-15cancelled 2016-07-23
Successor callsigns
Callsigns held now by people who previously held K3JA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3JA, oldest first.
- JANKAUSKAS, FLAVIUS Z PA2006-05-08 → cancelled 2014-07-03
- SITNIK, THADDEUS A NY2016-07-23 active