Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0VUM callsign genealogy
Currently held by HAYDEN, MATTHEW 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 N0VUM's current licensee, walking backwards.
- McEwen, Shawn ACTgranted 2023-09-27cancelled 2023-10-20
Successor callsigns
Callsigns held now by people who previously held N0VUM.
- Sabnis, Adheesh AMDgranted 2017-06-09
All historical holders
Every license row we've seen with the callsign N0VUM, oldest first.
- HAYDEN, MATTHEW G CO1993-03-09 → cancelled 2005-03-10
- Sabnis, Adheesh A MD2016-08-26 → cancelled 2017-06-09
- McEwen, Shawn A CT2023-10-20 active