Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM5XS callsign genealogy
Currently held by TETZLAFF, DANIEL 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 KM5XS's current licensee, walking backwards.
- TETZLAFF, DANIEL MTXgranted 1997-07-24cancelled 2002-08-28
Successor callsigns
Callsigns held now by people who previously held KM5XS.
No current licensee on record previously held this callsign.