Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9HHT callsign genealogy
Currently held by CARSTENS, RICHARD 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 N9HHT's current licensee, walking backwards.
- Huertas, Andres DILgranted 2014-11-05cancelled 2015-01-06
Successor callsigns
Callsigns held now by people who previously held N9HHT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9HHT, oldest first.
- CARSTENS, RICHARD S IL1988-03-22 → cancelled 2000-03-23
- Huertas, Andres D NY2024-12-04 active