Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3DTF callsign genealogy
Currently held by Fleckenstein, Dennis R
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 W3DTF's current licensee, walking backwards.
- Fleckenstein, Dennis RPAgranted 2004-04-27cancelled 2005-07-15
Successor callsigns
Callsigns held now by people who previously held W3DTF.
No current licensee on record previously held this callsign.