uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KR8KEN callsign genealogy

Currently held by Adelgren, Joshua 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 KR8KEN's current licensee, walking backwards.

  1. KL6CGcancelled· T
    Adelgren, Joshua GAKgranted 2026-06-05cancelled 2026-07-03

Successor callsigns

Callsigns held now by people who previously held KR8KEN.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KR8KEN, oldest first.

  • Johnson, Trevor G CA
    2014-05-20 → cancelled 2026-05-21
  • Adelgren, Joshua G AK
    2026-07-03 active