Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5JAC callsign genealogy
Currently held by COOK, JACK A
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 K5JAC's current licensee, walking backwards.
- COOK, JACK ATXgranted 1995-08-17cancelled 2003-12-16
Successor callsigns
Callsigns held now by people who previously held K5JAC.
No current licensee on record previously held this callsign.