Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7TTD callsign genealogy
Currently held by Woboril, David 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 K7TTD's current licensee, walking backwards.
- Woboril, David LORgranted 2016-02-19cancelled 2016-03-08
Successor callsigns
Callsigns held now by people who previously held K7TTD.
No current licensee on record previously held this callsign.