Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1SDQ callsign genealogy
Currently held by Hybart, Timothy 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 N1SDQ's current licensee, walking backwards.
- Hybart, Timothy ATNgranted 2024-02-07cancelled 2024-05-10
Successor callsigns
Callsigns held now by people who previously held N1SDQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1SDQ, oldest first.
- PINKHAM, PETER E ME2004-05-19 → cancelled 2016-07-08
- Hybart, Timothy A TN2024-05-10 active