Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3COD callsign genealogy
Currently held by HARTRANFT, THOMAS J
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 W3COD's current licensee, walking backwards.
- HARTRANFT, THOMAS JPAgranted 2012-09-21cancelled 2017-10-28
Successor callsigns
Callsigns held now by people who previously held W3COD.
No current licensee on record previously held this callsign.