Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KQ4DER callsign genealogy
Currently held by Garcia, Jose E
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 KQ4DER's current licensee, walking backwards.
- Roberts, Doug ESCgranted 2024-12-10cancelled 2025-01-14
Successor callsigns
Callsigns held now by people who previously held KQ4DER.
- Garcia, Jose EVAgranted 2022-10-01
All historical holders
Every license row we've seen with the callsign KQ4DER, oldest first.
- Garcia, Jose E VA2022-09-13 → cancelled 2022-10-01
- Roberts, Doug E SC2025-01-14 active