Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR5YX callsign genealogy
Currently held by THIEME JR, MARTIN 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 KR5YX's current licensee, walking backwards.
- THIEME JR, MARTIN Ncancelled 1999-06-10
Successor callsigns
Callsigns held now by people who previously held KR5YX.
- THIEME JR, MARTIN NNMgranted 2002-07-16cancelled 2006-09-14