Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5UPC callsign genealogy
Currently held by WOOLSEY, SHERRI 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 K5UPC's current licensee, walking backwards.
- SANDERS, ANITA STXgranted 2006-05-05cancelled 2010-04-03
Successor callsigns
Callsigns held now by people who previously held K5UPC.
- WOOLSEY, SHERRI LTXgranted 2008-03-04cancelled 2010-08-17
All historical holders
Every license row we've seen with the callsign K5UPC, oldest first.
- WOOLSEY, SHERRI L TX1999-02-03 → cancelled 2008-03-04
- SANDERS, ANITA S TX2020-04-24 active