Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH7XB 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 WH7XB's current licensee, walking backwards.
- Vidinha, Mark DHIgranted 2009-06-02cancelled 2009-07-17
Successor callsigns
Callsigns held now by people who previously held WH7XB.
- Vidinha, Mark DHIgranted 2019-09-24