Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7SUL callsign genealogy
Currently held by GILES, SPENCER L
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 K7SUL's current licensee, walking backwards.
- GILES, SPENCER LORgranted 2020-09-10cancelled 2020-10-24
Successor callsigns
Callsigns held now by people who previously held K7SUL.
- SULLIVAN, KEVIN TCAgranted 2008-05-20cancelled 2020-05-21
All historical holders
Every license row we've seen with the callsign K7SUL, oldest first.
- SULLIVAN, KEVIN T CA1999-11-30 → cancelled 2008-05-20
- GILES, SPENCER L OR2020-10-24 active