Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4ZPK callsign genealogy
Currently held by Maman, Sarah
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 KO4ZPK's current licensee, walking backwards.
- Maman, SarahFLgranted 2022-03-15cancelled 2022-04-12
Successor callsigns
Callsigns held now by people who previously held KO4ZPK.
No current licensee on record previously held this callsign.