Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4SP callsign genealogy
Currently held by OVERMAN, VAN F
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 KM4SP's current licensee, walking backwards.
- ROSSER, VICTOR BGAgranted 2017-06-07
- KE4RQRno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KM4SP.
No current licensee on record previously held this callsign.