Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KQ4ZMP callsign genealogy
Currently held by Spencer, Ryan
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 KQ4ZMP's current licensee, walking backwards.
- Spencer, RyanVAgranted 2024-12-10cancelled 2024-12-11
Successor callsigns
Callsigns held now by people who previously held KQ4ZMP.
No current licensee on record previously held this callsign.