Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5TLK callsign genealogy
Currently held by Kallmer, Timothy 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 N5TLK's current licensee, walking backwards.
- Kallmer, Timothy LTXgranted 2019-08-14cancelled 2019-09-04
Successor callsigns
Callsigns held now by people who previously held N5TLK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5TLK, oldest first.
- VASQUEZ, GARY R TX2001-05-15 → cancelled 2013-05-02
- Kallmer, Timothy L TN2019-09-04 active