Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KQ4ZPM callsign genealogy
Currently held by Olson, Duane
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 KQ4ZPM's current licensee, walking backwards.
- Olson, DuaneGAgranted 2024-11-22cancelled 2024-12-12
Successor callsigns
Callsigns held now by people who previously held KQ4ZPM.
- Olson, DuaneGAgranted 2025-02-14