Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4ZTB callsign genealogy
Currently held by Blickensderfer, Christopher G
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 K4ZTB's current licensee, walking backwards.
- Blickensderfer, Christopher GFLgranted 2024-06-27cancelled 2024-08-27
Successor callsigns
Callsigns held now by people who previously held K4ZTB.
No current licensee on record previously held this callsign.