Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0PTI callsign genealogy
Currently held by LHOTA, ROBERT 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 W0PTI's current licensee, walking backwards.
- Wilmes, Mark ACOgranted 2026-06-16cancelled 2026-08-29
Successor callsigns
Callsigns held now by people who previously held W0PTI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0PTI, oldest first.
- LHOTA, ROBERT L TX2013-01-02 → cancelled 2025-04-01
- Wilmes, Mark A CO2026-08-29 active