Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9DSC callsign genealogy
Currently held by Collar, David 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 N9DSC's current licensee, walking backwards.
- Collar, David SINgranted 2023-10-26cancelled 2023-11-14
Successor callsigns
Callsigns held now by people who previously held N9DSC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9DSC, oldest first.
- MYERS, DENNIS L IN1989-08-15 → cancelled 2001-08-16
- Collar, David S IN2023-11-14 active