Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5JBA callsign genealogy
Currently held by AMACKER, JOHN B
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 K5JBA's current licensee, walking backwards.
- AMACKER, JOHN BMSgranted 2012-01-24cancelled 2012-02-14
Successor callsigns
Callsigns held now by people who previously held K5JBA.
No current licensee on record previously held this callsign.