Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3DRS callsign genealogy
Currently held by SCHREINER, DONALD R
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 K3DRS's current licensee, walking backwards.
- SCHREINER, DONALD RFLgranted 2010-06-22cancelled 2010-07-13
Successor callsigns
Callsigns held now by people who previously held K3DRS.
No current licensee on record previously held this callsign.