Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6DTW callsign genealogy
Currently held by Witkowski, David 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 W6DTW's current licensee, walking backwards.
- Witkowski, David TCAgranted 2006-08-07cancelled 2006-08-29
Successor callsigns
Callsigns held now by people who previously held W6DTW.
No current licensee on record previously held this callsign.