Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4SHX callsign genealogy
Currently held by CASTEN, NINO LUCKY D
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 N4SHX's current licensee, walking backwards.
- CASTEN, NINO LUCKY DFLgranted 2020-12-07cancelled 2020-12-29
Successor callsigns
Callsigns held now by people who previously held N4SHX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4SHX, oldest first.
- FISH, JOHN H NC2000-08-11 → cancelled 2012-11-07
- CASTEN, NINO LUCKY D FL2020-12-29 active