Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KH6D callsign genealogy
Currently held by Vittum, Melvin S
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 KH6D's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KH6D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KH6D, oldest first.
- Vittum, Melvin S HI2008-09-24 → cancelled 2018-08-19
- HASHIRO, RONALD I HI2020-09-09 active