Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ3I callsign genealogy
Currently held by Hellen Jr., Donald W
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 KJ3I's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KJ3I.
- Hellen Jr., Donald WOHgranted 2016-12-29cancelled 2021-05-14
All historical holders
Every license row we've seen with the callsign KJ3I, oldest first.
- Hellen Jr., Donald W OH2016-12-29 → cancelled 2019-05-15
- Hensler, Bruce G PA2021-07-16 active