Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3ISE callsign genealogy
Currently held by SHREVE, WARREN T
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 W3ISE's current licensee, walking backwards.
- WISE, LARRY MMDgranted 2014-08-18cancelled 2014-10-03
Successor callsigns
Callsigns held now by people who previously held W3ISE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3ISE, oldest first.
- SHREVE, WARREN T PA1998-01-26 → cancelled 2003-01-09
- WISE, LARRY M MD2024-08-02 active