Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4DTR callsign genealogy
Currently held by ROBINSON, 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 N4DTR's current licensee, walking backwards.
- ROBINSON, DAVID TNCgranted 1997-10-30cancelled 2000-08-22
Successor callsigns
Callsigns held now by people who previously held N4DTR.
- HOWARD, JAMES AMEgranted 1988-08-23cancelled 2000-08-24