Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH6DHN callsign genealogy
Currently held by CARVALHO, DONALD J
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 WH6DHN's current licensee, walking backwards.
- CARVALHO, DONALD JCAgranted 2014-04-23cancelled 2017-04-15
Successor callsigns
Callsigns held now by people who previously held WH6DHN.
- KH6KHactiveHONOLULU CHAPTER 206 QCWAHIgranted 2015-04-23
All historical holders
Every license row we've seen with the callsign WH6DHN, oldest first.
- HONOLULU CHAPTER 206 QCWA HI2005-05-02 → cancelled 2005-07-16
- CARVALHO, DONALD J CA2017-04-15 active