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Confidence: Medium · Source: FCC ULS · As of 2026-09-15

K4IQB callsign genealogy

Currently held by FREDERICK, GENE R

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 K4IQB's current licensee, walking backwards.

  1. AJ4AGcancelled· E
    FREDERICK, GENE RALgranted 2004-08-13cancelled 2007-08-14
  2. K5IQBcancelled· E
    FREDERICK, GENE RALgranted 2004-08-13cancelled 2007-07-12
  3. K6IQBcancelled· E
    FREDERICK, GENE RTXgranted 1997-05-22cancelled 2004-08-13
  4. WB4IQB
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held K4IQB.

No current licensee on record previously held this callsign.

← Back to K4IQB License history →