Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3GJ callsign genealogy
Currently held by GUTHRIE, JOHN H
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 W3GJ's current licensee, walking backwards.
- Eskins Jr, Herbert DMDgranted 2004-06-01cancelled 2010-06-15
- WB8EVOno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W3GJ.
- Steele, Daniel JMNgranted 2008-04-12cancelled 2011-06-07
All historical holders
Every license row we've seen with the callsign W3GJ, oldest first.
- GUTHRIE, JOHN H PA1996-10-02 → cancelled 2004-04-22
- Steele, Daniel J MN2006-10-03 → cancelled 2008-04-12
- ESKINS JR, HERBERT D MD2020-04-24 active