Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5OU callsign genealogy
Currently held by GUY, RICHARD J
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 N5OU's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N5OU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5OU, oldest first.
- COLLOM, RUTH M TX1997-07-11 → cancelled 2003-10-19
- GUY, RICHARD J TX2026-02-19 active