Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KQ5J callsign genealogy
Currently held by Signal Hill Amateur Radio Klub (SHARK)
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 KQ5J's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KQ5J.
No current licensee on record previously held this callsign.