Confidence: Medium · Source: FCC ULS · As of 2026-09-09
WB9SQL callsign genealogy
Currently held by HIGINBOTHAM, SAM R
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 WB9SQL's current licensee, walking backwards.
- HIGINBOTHAM, SAM RINgranted 2026-01-06cancelled 2026-04-21
Successor callsigns
Callsigns held now by people who previously held WB9SQL.
- HIGINBOTHAM, SAM RINgranted 2026-01-06cancelled 2026-04-21
All historical holders
Every license row we've seen with the callsign WB9SQL, oldest first.
- HIGINBOTHAM, SAM R IN2010-07-09 → cancelled 2015-12-05
- HIGINBOTHAM, SAM R IN2026-04-21 active