uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KC9JEU callsign genealogy

Currently held by Tremblay, Lane M

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 KC9JEU's current licensee, walking backwards.

  1. KD9MUMcancelled· T
    Tremblay, Lane MWIgranted 2019-04-01cancelled 2019-04-20

Successor callsigns

Callsigns held now by people who previously held KC9JEU.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KC9JEU, oldest first.

  • Tremblay, Lane M WI
    2006-04-03 → cancelled 2018-04-04
  • Tremblay, Lane M WI
    2019-04-20 active