Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KH7DQ callsign genealogy
Currently held by TSUJIMURA, JACKSON M
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 KH7DQ's current licensee, walking backwards.
- Wilson, Douglas DHIgranted 2011-06-10cancelled 2012-07-21
Successor callsigns
Callsigns held now by people who previously held KH7DQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KH7DQ, oldest first.
- Wilson, Douglas D HI2022-05-27 active
- TSUJIMURA, JACKSON M— → cancelled 1999-04-28