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

WJ5U callsign genealogy

Currently held by OHLSSON III, JOHN G

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 WJ5U's current licensee, walking backwards.

  1. W5YRQcancelled· E
    Guinn, Dennis ROKgranted 2009-07-03cancelled 2012-01-31
  2. KE5YRQcancelled· G
    Guinn, Dennis ROKgranted 2009-01-05cancelled 2009-07-03

Successor callsigns

Callsigns held now by people who previously held WJ5U.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WJ5U, oldest first.

  • OHLSSON III, JOHN G LA
    1999-10-23 → cancelled 2012-01-04
  • Guinn, Dennis R OK
    2021-11-13 active