Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5BLZ callsign genealogy
Currently held by Baltz Sr, Karl S
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 K5BLZ's current licensee, walking backwards.
- Baltz Sr, Karl STXgranted 2016-04-29cancelled 2016-08-02
Successor callsigns
Callsigns held now by people who previously held K5BLZ.
No current licensee on record previously held this callsign.