Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7TDA callsign genealogy
Currently held by FLUCKIGER, TRENA 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 K7TDA's current licensee, walking backwards.
- FLUCKIGER, TRENA MIDgranted 2014-06-03cancelled 2018-05-11
Successor callsigns
Callsigns held now by people who previously held K7TDA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7TDA, oldest first.
- COLLINS, JACK M WA1996-12-06 → cancelled 2008-12-09
- FLUCKIGER, TRENA M ID2018-05-11 active