Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N2JKU callsign genealogy
Currently held by Barnes, Michael A
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 N2JKU's current licensee, walking backwards.
- Barnes, Michael AIDgranted 2018-02-12cancelled 2018-11-14
Successor callsigns
Callsigns held now by people who previously held N2JKU.
- Kaiser, John MMEgranted 2013-10-24cancelled 2021-02-22
All historical holders
Every license row we've seen with the callsign N2JKU, oldest first.
- KAISER, JOHN M ME1999-02-09 → cancelled 2003-12-12
- Barnes, Michael A ID2018-11-14 active