Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0WAR callsign genealogy
Currently held by CATHCART, AARON S
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 N0WAR's current licensee, walking backwards.
- CATHCART, AARON SCOgranted 2004-01-06cancelled 2005-04-12
Successor callsigns
Callsigns held now by people who previously held N0WAR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0WAR, oldest first.
- HALLOWELL, ROGER A MN1993-03-23 → cancelled 2005-03-24
- CATHCART, AARON S IL2015-03-10 active