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

KY0J callsign genealogy

Currently held by RAMEY, MARK L

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 KY0J's current licensee, walking backwards.

  1. W0LEWcancelled· E
    RAMEY, MARK LCOgranted 2016-01-15cancelled 2021-04-09
  2. K7RMYcancelled· G
    RAMEY, MARK LCOgranted 2009-02-24cancelled 2016-01-15
  3. KC7FXCcancelled· G
    RAMEY, MARK LCOgranted 2004-08-18cancelled 2009-02-24

Successor callsigns

Callsigns held now by people who previously held KY0J.

  1. KP4Xactive· E
    OFRAY, WILLIAM MTNgranted 2019-03-19

All historical holders

Every license row we've seen with the callsign KY0J, oldest first.

  • HENDERSON, JOHN L KS
    2006-10-25 → cancelled 2018-11-27
  • OFRAY, WILLIAM M FL
    2018-12-15 → cancelled 2019-03-19
  • RAMEY, MARK L CO
    2021-04-09 active
← Back to KY0J License history →