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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N9JKS callsign genealogy

Currently held by ROHRMEIER, CHRISTIAN

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 N9JKS's current licensee, walking backwards.

  1. KC9ODGcancelled· G
    KEENER, JAMES SINgranted 2007-11-20cancelled 2009-05-12
  2. W1JSKcancelled· G
    KEENER, JAMES SINgranted 2007-11-20cancelled 2008-08-13
  3. KC9MGYcancelled· G
    KEENER, JAMES SINgranted 2005-01-11cancelled 2007-11-20
  4. KC9HABcancelled· G
    KEENER, JAMES SINgranted 2005-01-11cancelled 2007-10-09

Successor callsigns

Callsigns held now by people who previously held N9JKS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N9JKS, oldest first.

  • ROHRMEIER, CHRISTIAN WI
    1990-03-20 → cancelled 2002-03-21
  • KEENER, JAMES S IN
    2019-03-27 active
← Back to N9JKS License history →