Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NN5V callsign genealogy
Currently held by KOSS, JAMES P
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 NN5V's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NN5V.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NN5V, oldest first.
- KOSS, JAMES P TX1994-02-22 → cancelled 2006-02-23
- Yrisarri Contest Club NM2026-07-03 active