Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7JDT callsign genealogy
Currently held by SPIVACK, PAUL J
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 N7JDT's current licensee, walking backwards.
- Tornblad, John DORgranted 2008-07-09cancelled 2008-11-14
Successor callsigns
Callsigns held now by people who previously held N7JDT.
- SPIVACK, PAUL JTNgranted 2019-03-13
All historical holders
Every license row we've seen with the callsign N7JDT, oldest first.
- TORNBLAD, JOHN D OR2018-09-14 active
- SPIVACK, PAUL J— → cancelled 1999-05-26