Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5OPI callsign genealogy
Currently held by Baylor, Timothy C
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 K5OPI's current licensee, walking backwards.
- Baylor, Timothy CTXgranted 2025-05-30cancelled 2025-06-27
Successor callsigns
Callsigns held now by people who previously held K5OPI.
- OPITZ, LISE KTXgranted 2018-08-31
All historical holders
Every license row we've seen with the callsign K5OPI, oldest first.
- OPITZ, LISE K TX2017-06-27 → cancelled 2018-08-31
- Baylor, Timothy C TX2025-06-27 active