Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4TBD callsign genealogy
Currently held by MEIKRANTZ, JOHN E
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 KB4TBD's current licensee, walking backwards.
- MEIKRANTZ, JOHN ENCgranted 2018-07-23cancelled 2018-09-08
Successor callsigns
Callsigns held now by people who previously held KB4TBD.
No current licensee on record previously held this callsign.