Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TLK callsign genealogy
Currently held by SURPRISE, MICKIE 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 W4TLK's current licensee, walking backwards.
- Koenig, Trina LTNgranted 2017-06-26cancelled 2017-07-14
Successor callsigns
Callsigns held now by people who previously held W4TLK.
- Koenig, Trina LTNgranted 2020-01-24
All historical holders
Every license row we've seen with the callsign W4TLK, oldest first.
- SURPRISE, MICKIE R FL2004-02-27 → cancelled 2016-05-25
- Koenig, Trina L TN2017-07-14 → cancelled 2020-01-24