Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1ITU callsign genealogy
Currently held by Lesuer, John
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 WA1ITU's current licensee, walking backwards.
- LeSuer, JohnRIgranted 2021-10-15cancelled 2021-11-05
Successor callsigns
Callsigns held now by people who previously held WA1ITU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA1ITU, oldest first.
- LESUER, JOHN K RI1988-12-27 → cancelled 2000-12-28
- Lesuer, John RI2021-11-05 active