Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7INJ callsign genealogy
Currently held by DRADER, W DOUGLAS
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 K7INJ's current licensee, walking backwards.
- DRADER, WILLIAM DMTgranted 2024-02-23cancelled 2024-03-26
Successor callsigns
Callsigns held now by people who previously held K7INJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7INJ, oldest first.
- DRADER, W DOUGLAS MT1996-05-21 → cancelled 2008-05-22
- DRADER, WILLIAM D MT2024-03-26 active