Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4BIV callsign genealogy
Currently held by Bibb County Amateur Radio Emergency Service
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 KM4BIV'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 KM4BIV.
- NU4AactiveBibb County Amateur Radio Emergency ServiceALgranted 2014-12-05