Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7ADX callsign genealogy
Currently held by DREYER, MICHAEL L
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 N7ADX's current licensee, walking backwards.
- DREYER, MICHAEL LORgranted 2018-01-09cancelled 2018-05-01
Successor callsigns
Callsigns held now by people who previously held N7ADX.
- DREYER, MICHAEL LORgranted 2018-01-09cancelled 2018-05-01
All historical holders
Every license row we've seen with the callsign N7ADX, oldest first.
- DREYER, MICHAEL L OR2016-12-09 → cancelled 2018-01-09
- DREYER, MICHAEL L OR2018-05-01 active