Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6SBL callsign genealogy
Currently held by Christensen, Dawn M
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 K6SBL's current licensee, walking backwards.
- ROBERTS, DAWN MIDgranted 2013-06-28cancelled 2013-07-26
Successor callsigns
Callsigns held now by people who previously held K6SBL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6SBL, oldest first.
- TUCKER, FRANCES M CA1997-12-11 → cancelled 2009-12-12
- Christensen, Dawn M ID2023-05-24 active