Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7MKO callsign genealogy
Currently held by LORD IV, JOHN B
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 N7MKO's current licensee, walking backwards.
- BUER, STEPHEN ANYgranted 2013-07-10cancelled 2014-06-06
Successor callsigns
Callsigns held now by people who previously held N7MKO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7MKO, oldest first.
- LORD IV, JOHN B WA1998-11-20 → cancelled 2010-11-23
- BUER, STEPHEN A WA2024-06-04 active