Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH7UD callsign genealogy
Currently held by Vidinha, Mark D
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 WH7UD's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WH7UD.
- Vidinha, Mark DHIgranted 2009-07-17cancelled 2009-11-10