uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KB7DAY callsign genealogy

Currently held by CREIGHTON, KENNETH D

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 KB7DAY's current licensee, walking backwards.

  1. KG7YOCcancelled· T
    Young, Douglas AWAgranted 2015-11-04cancelled 2015-11-24

Successor callsigns

Callsigns held now by people who previously held KB7DAY.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KB7DAY, oldest first.

  • CREIGHTON, KENNETH D WA
    1987-11-03 → cancelled 1999-11-04
  • Young, Douglas A WA
    2015-11-24 active