Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3TWT callsign genealogy
Currently held by Marsh, Steven D
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 K3TWT's current licensee, walking backwards.
- Marsh, Steven DTNgranted 2024-07-19cancelled 2024-09-06
Successor callsigns
Callsigns held now by people who previously held K3TWT.
No current licensee on record previously held this callsign.