Confidence: Medium · Source: FCC ULS · As of 2026-09-11
W7SLB callsign genealogy
Currently held by LARKIN, FLOYD A
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 W7SLB's current licensee, walking backwards.
- Bishop, Shawn LWAgranted 2019-11-19cancelled 2020-01-10
Successor callsigns
Callsigns held now by people who previously held W7SLB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7SLB, oldest first.
- LARKIN, FLOYD A WA2003-11-22 → cancelled 2016-01-19
- Bishop, Shawn L UT2020-01-10 active