Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1DRB callsign genealogy
Currently held by Schodder, Hermann
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 KA1DRB's current licensee, walking backwards.
- Bahtiyar, Mert OCTgranted 2026-05-12cancelled 2026-05-30
Successor callsigns
Callsigns held now by people who previously held KA1DRB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1DRB, oldest first.
- Schodder, Hermann NH2007-03-09 → cancelled 2019-05-29
- Bahtiyar, Mert O CT2026-05-30 active