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

K9IQ callsign genealogy

Currently held by Schulman, Lawrence S

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 K9IQ's current licensee, walking backwards.

  1. W9WICcancelled· E
    Schulman, Lawrence SILgranted 1998-02-06cancelled 2007-08-18
  2. KF9CRcancelled
    cancelled 1998-02-06

Successor callsigns

Callsigns held now by people who previously held K9IQ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K9IQ, oldest first.

  • STRAWBRIDGE, JOHN G IN
    1998-10-23 → cancelled 2005-07-28
  • Schulman, Lawrence S WI
    2017-05-31 active