Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0DCT callsign genealogy
Currently held by Koehler, Martin
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 W0DCT's current licensee, walking backwards.
- Koehler, MartinFLgranted 2009-12-21cancelled 2010-02-09
Successor callsigns
Callsigns held now by people who previously held W0DCT.
No current licensee on record previously held this callsign.