Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0OCW callsign genealogy
Currently held by JACKSON, MARK E
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 N0OCW's current licensee, walking backwards.
- AITKEN, RICHARD LMOgranted 2013-09-10cancelled 2018-09-28
Successor callsigns
Callsigns held now by people who previously held N0OCW.
- JACKSON, MARK EMOgranted 2016-08-09cancelled 2016-10-25
All historical holders
Every license row we've seen with the callsign N0OCW, oldest first.
- JACKSON, MARK E MO2011-03-15 → cancelled 2016-08-09
- AITKEN, RICHARD L MO2018-09-28 active