Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WQ7D callsign genealogy
Currently held by GRANDSTAFF, HEUER H
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 WQ7D's current licensee, walking backwards.
- GRANDSTAFF, MARK HWAgranted 2017-12-05cancelled 2020-01-25
Successor callsigns
Callsigns held now by people who previously held WQ7D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WQ7D, oldest first.
- GRANDSTAFF, HEUER H WA2008-01-01 → cancelled 2018-02-06
- GRANDSTAFF, MARK H WA2020-01-25 active