Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4TMC callsign genealogy
Currently held by CRAWFORD, TRAVIS M
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 WD4TMC's current licensee, walking backwards.
- CRAWFORD, TRAVIS MNCgranted 2016-04-13cancelled 2016-09-24
Successor callsigns
Callsigns held now by people who previously held WD4TMC.
- CRAWFORD, TRAVIS MNCgranted 2017-10-11