Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3GPS callsign genealogy
Currently held by Schotzko, Gavan
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 W3GPS's current licensee, walking backwards.
- Schotzko, GavanWIgranted 2026-04-07cancelled 2026-04-25
Successor callsigns
Callsigns held now by people who previously held W3GPS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3GPS, oldest first.
- Smith, Garrin P CA2012-04-03 → cancelled 2024-04-04
- Schotzko, Gavan WI2026-04-25 active