Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4ADO callsign genealogy
Currently held by Shrader, Bruce V
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 N4ADO's current licensee, walking backwards.
- Gillespie, Ryan TTNgranted 2019-11-27cancelled 2019-12-20
Successor callsigns
Callsigns held now by people who previously held N4ADO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4ADO, oldest first.
- Shrader, Bruce V FL1998-09-18 → cancelled 2010-09-21
- Gillespie 242, Ryan T TN2019-12-20 active