Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7DCT callsign genealogy
Currently held by MAC DONALD, COLIN A
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 N7DCT's current licensee, walking backwards.
- Tedesco, David CAZgranted 2020-02-03cancelled 2020-11-21
Successor callsigns
Callsigns held now by people who previously held N7DCT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7DCT, oldest first.
- MAC DONALD, COLIN A OR2006-05-04 → cancelled 2018-07-31
- Tedesco, David C AZ2020-11-21 active