Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3ONE callsign genealogy
Currently held by Long Sr, Thomas 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 W3ONE's current licensee, walking backwards.
- LONG, JAMES VMDgranted 2018-02-16cancelled 2020-10-20
Successor callsigns
Callsigns held now by people who previously held W3ONE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3ONE, oldest first.
- Long Sr, Thomas L MD2006-05-16 → cancelled 2018-06-13
- LONG, JAMES V MD2020-10-20 active