Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6DDS callsign genealogy
Currently held by Sullivan, Dale D
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 N6DDS's current licensee, walking backwards.
- Sullivan, Dale DCAgranted 2010-03-24cancelled 2010-06-19
Successor callsigns
Callsigns held now by people who previously held N6DDS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6DDS, oldest first.
- ULSTAD SR, JACK E OR1996-07-24 → cancelled 2008-07-25
- Sullivan, Dale D CA2020-04-08 active