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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K4SSI callsign genealogy

Currently held by O GRADY, EDWARD T

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 K4SSI's current licensee, walking backwards.

  1. KC4ZFcancelled· A
    O GRADY, EDWARD TGAgranted 2012-07-17cancelled 2018-12-04
  2. KE2VCcancelled· A
    O GRADY, EDWARD TGAgranted 2012-06-29cancelled 2012-07-17

Successor callsigns

Callsigns held now by people who previously held K4SSI.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4SSI, oldest first.

  • MORAN, PAUL J TN
    2003-10-28 → cancelled 2016-01-19
  • O GRADY, EDWARD T GA
    2018-12-04 active
← Back to K4SSI License history →