Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4SVC callsign genealogy
Currently held by Hirschman, Paul 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 KM4SVC'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 KM4SVC.
- Hirschman, Paul MFLgranted 2026-02-21