Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5TNL callsign genealogy
Currently held by Larsh, Thomas N
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 K5TNL's current licensee, walking backwards.
- Larsh, Thomas NTXgranted 2017-08-25cancelled 2017-09-23
Successor callsigns
Callsigns held now by people who previously held K5TNL.
- Larsh, Thomas NTXgranted 2026-09-11