Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6SMO callsign genealogy
Currently held by KEOUGH, WILLIAM G
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 N6SMO's current licensee, walking backwards.
- DHILLON, TEJROOP JCAgranted 2020-12-29
Successor callsigns
Callsigns held now by people who previously held N6SMO.
- DHILLON, TEJROOP JCAgranted 2020-12-29
All historical holders
Every license row we've seen with the callsign N6SMO, oldest first.
- KEOUGH, WILLIAM G ID1999-12-18 → cancelled 2011-12-20
- DHILLON, TEJROOP J CA2012-01-21 → cancelled 2020-12-29