Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA4BF callsign genealogy
Currently held by Narra, MaheshBabu
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 NA4BF's current licensee, walking backwards.
- Narra, MaheshBabuFLgranted 2026-02-18cancelled 2026-04-01
Successor callsigns
Callsigns held now by people who previously held NA4BF.
- Narra, MaheshBabuFLgranted 2026-02-18