Confidence: Medium · Source: FCC ULS · As of 2026-10-29
KJ5SY callsign genealogy
Currently held by Youngquist, Randall S
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 KJ5SY's current licensee, walking backwards.
- Youngquist, Randall STXgranted 2025-11-27cancelled 2026-09-12
Successor callsigns
Callsigns held now by people who previously held KJ5SY.
No current licensee on record previously held this callsign.