Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0SDK callsign genealogy
Currently held by AUGHENBAUGH, BURDETTE C
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 W0SDK's current licensee, walking backwards.
- Kofoid, Shannon DKSgranted 2019-08-14cancelled 2019-09-13
Successor callsigns
Callsigns held now by people who previously held W0SDK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0SDK, oldest first.
- AUGHENBAUGH, BURDETTE C SD1994-05-24 → cancelled 2006-05-25
- Kofoid, Shannon D KS2019-09-13 active