Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3DOG callsign genealogy
Currently held by Spratt, Charles 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 N3DOG's current licensee, walking backwards.
- Spratt, Charles JPAgranted 2023-11-22cancelled 2024-02-03
Successor callsigns
Callsigns held now by people who previously held N3DOG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3DOG, oldest first.
- JABLONSKI, CHARLES A CA2011-03-18 → cancelled 2023-04-22
- Spratt, Charles J PA2024-02-03 active