Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3CTD callsign genealogy
Currently held by Gripman, Greg 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 W3CTD's current licensee, walking backwards.
- Gripman, Greg TPAgranted 2025-07-15cancelled 2025-08-02
Successor callsigns
Callsigns held now by people who previously held W3CTD.
No current licensee on record previously held this callsign.