Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5DSB callsign genealogy
Currently held by Bierlein, Andrew S
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 K5DSB's current licensee, walking backwards.
- Bierlein, Andrew SAZgranted 2021-08-10cancelled 2021-08-28
Successor callsigns
Callsigns held now by people who previously held K5DSB.
No current licensee on record previously held this callsign.