Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3XPO callsign genealogy
Currently held by Massie, Steven G
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 W3XPO's current licensee, walking backwards.
- Massie, Steven GORgranted 2017-07-28cancelled 2017-08-22
Successor callsigns
Callsigns held now by people who previously held W3XPO.
No current licensee on record previously held this callsign.