Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1DTC callsign genealogy
Currently held by CASWELL, DAVID T
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 N1DTC's current licensee, walking backwards.
- CASWELL, DAVID TMEgranted 2009-05-01cancelled 2013-09-28
Successor callsigns
Callsigns held now by people who previously held N1DTC.
No current licensee on record previously held this callsign.