Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7GUY callsign genealogy
Currently held by SYFERT, TIMOTHY M
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 N7GUY's current licensee, walking backwards.
- VOGELER, MICHAEL GMDgranted 2021-01-07cancelled 2021-01-26
Successor callsigns
Callsigns held now by people who previously held N7GUY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7GUY, oldest first.
- SYFERT, TIMOTHY M NV2008-10-02 → cancelled 2020-12-02
- Vogeler, Michael G MD2021-01-26 active