Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4KMG callsign genealogy
Currently held by CHRISTENSEN, FREDERICK C
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 N4KMG's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N4KMG.
- WINGO, JONATHAN WGAgranted 2023-07-28cancelled 2023-12-19
All historical holders
Every license row we've seen with the callsign N4KMG, oldest first.
- CHRISTENSEN, FREDERICK C TN1994-10-21 → cancelled 2005-04-21
- WINGO, JONATHAN W GA2021-06-07 → cancelled 2023-07-28