Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9NB callsign genealogy
Currently held by Rayaprolu, Krishnamjaya
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 AC9NB's current licensee, walking backwards.
- Rayaprolu, KrishnamjayaINgranted 2015-12-23cancelled 2016-01-06
Successor callsigns
Callsigns held now by people who previously held AC9NB.
No current licensee on record previously held this callsign.