Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF0POP callsign genealogy
Currently held by Cummins, Jon 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 KF0POP's current licensee, walking backwards.
- Cummins, Jon SIAgranted 2021-01-08cancelled 2022-04-22
Successor callsigns
Callsigns held now by people who previously held KF0POP.
No current licensee on record previously held this callsign.