Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO3U callsign genealogy
Currently held by LAIRD, WADE 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 WO3U's current licensee, walking backwards.
- Shellenbarger, Anthony JPAgranted 2024-10-17cancelled 2026-05-12
Successor callsigns
Callsigns held now by people who previously held WO3U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WO3U, oldest first.
- LAIRD, WADE L PA1998-06-25 → cancelled 2003-07-03
- Alicea, Edwin M PA2014-04-22 → cancelled 2026-04-23
- Shellenbarger, Anthony J PA2026-05-12 active