Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7YLT callsign genealogy
Currently held by Olberg, Carl D
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 KB7YLT's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KB7YLT.
- Olberg, Carl DAZgranted 2013-09-26cancelled 2025-09-27