Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WD9MKH callsign genealogy
Currently held by Huihui, David 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 WD9MKH's current licensee, walking backwards.
- Huihui, David MINgranted 2024-10-30cancelled 2024-11-22
Successor callsigns
Callsigns held now by people who previously held WD9MKH.
No current licensee on record previously held this callsign.