Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5WQB callsign genealogy
Currently held by BILDERBACK, DORIS L
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 K5WQB's current licensee, walking backwards.
- BILDERBACK, DORIS LARgranted 2013-03-06cancelled 2022-04-15
Successor callsigns
Callsigns held now by people who previously held K5WQB.
No current licensee on record previously held this callsign.