Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9KHJ callsign genealogy
Currently held by Ruhland, Joel D
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 KD9KHJ's current licensee, walking backwards.
- PORAT, DAN MINgranted 2014-10-28cancelled 2020-11-17
Successor callsigns
Callsigns held now by people who previously held KD9KHJ.
- Ruhland, Joel DCAgranted 2018-10-27cancelled 2024-11-19
All historical holders
Every license row we've seen with the callsign KD9KHJ, oldest first.
- Ruhland, Joel D IL2018-02-22 → cancelled 2018-10-27
- PORAT, DAN M IN2020-11-17 active