Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9HDD callsign genealogy
Currently held by SNYDER, WILBUR E
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 N9HDD's current licensee, walking backwards.
- SANDERS, MARK DINgranted 2006-02-18cancelled 2015-03-03
Successor callsigns
Callsigns held now by people who previously held N9HDD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9HDD, oldest first.
- SNYDER, WILBUR E IN1993-02-09 → cancelled 2005-02-10
- SANDERS, MARK D IN2025-04-08 active