Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WQ5OO callsign genealogy
Currently held by Sparky Contest Club
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 WQ5OO's current licensee, walking backwards.
- KG5SWPcancelledSparky Contest ClubLAgranted 2017-04-21cancelled 2017-05-31
Successor callsigns
Callsigns held now by people who previously held WQ5OO.
No current licensee on record previously held this callsign.