Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD6OTJ callsign genealogy
Currently held by Wiseman, David K
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 KD6OTJ's current licensee, walking backwards.
- Wiseman, DavidCAgranted 2015-08-14cancelled 2015-09-15
Successor callsigns
Callsigns held now by people who previously held KD6OTJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD6OTJ, oldest first.
- WISEMAN, DAVID K CA1992-11-03 → cancelled 2004-11-04
- Wiseman, David K CA2015-09-15 active