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

KL7USI callsign genealogy

Currently held by U S ISLANDS LAST FRONTIER ARC

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 KL7USI's current licensee, walking backwards.

WL7CNDcancelled
REISENAUER JR, JOHN Fcancelled 1998-01-14

Successor callsigns

Callsigns held now by people who previously held KL7USI.

NH7DXactive
US Islands (USI) Awards - Hawaii ChapterSCgranted 2020-08-05

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