Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3PBF callsign genealogy
Currently held by SPONAR, LEWIS M
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 K3PBF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held K3PBF.
- SPONAR, LEWIS MNMgranted 2009-10-14cancelled 2021-10-26