Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5IS callsign genealogy
Currently held by WANJA, LAWRENCE F
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 W5IS's current licensee, walking backwards.
- WADZECK, DOUGLAS MTXgranted 1998-05-12cancelled 2003-05-03
Successor callsigns
Callsigns held now by people who previously held W5IS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5IS, oldest first.
- WANJA, LAWRENCE F TX1994-08-29 → cancelled 1997-03-30
- WADZECK, DOUGLAS M LA2023-06-29 active