Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0Q callsign genealogy
Currently held by SEIDEL, GERHARD
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 AD0Q's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AD0Q.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD0Q, oldest first.
- SEIDEL, GERHARD MO2007-10-25 → cancelled 2020-01-24
- White, Trevor S CO2020-03-07 active