Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0DTM callsign genealogy
Currently held by Hambach, Travis L
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 W0DTM's current licensee, walking backwards.
- Hambach, Travis LMOgranted 2020-01-31cancelled 2020-02-19
Successor callsigns
Callsigns held now by people who previously held W0DTM.
No current licensee on record previously held this callsign.