Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0AUM callsign genealogy
Currently held by RATHINAM, SETHU R
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 W0AUM's current licensee, walking backwards.
- RATHINAM, SETHU RIAgranted 2018-07-09cancelled 2018-07-31
Successor callsigns
Callsigns held now by people who previously held W0AUM.
No current licensee on record previously held this callsign.