Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA3R callsign genealogy
Currently held by FOX, BRADLEY R
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 KA3R's current licensee, walking backwards.
- Han, QingyuCAgranted 2016-11-22cancelled 2017-03-17
Successor callsigns
Callsigns held now by people who previously held KA3R.
- FOX, BRADLEY RSCgranted 2011-12-13cancelled 2015-01-23
All historical holders
Every license row we've seen with the callsign KA3R, oldest first.
- FOX, BRADLEY R MD1996-04-05 → cancelled 2002-03-07
- Ramli, Dudywijaya WA2005-02-25 → cancelled 2017-02-28
- Han, Qingyu CA2017-03-17 active