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

W6TKO callsign genealogy

Currently held by ANDERSON, DANIEL J

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 W6TKO's current licensee, walking backwards.

  1. KF6EIOcancelled· P
    ANDERSON, DANIEL JCAgranted 1996-08-06cancelled 2006-01-19

Successor callsigns

Callsigns held now by people who previously held W6TKO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W6TKO, oldest first.

  • BUFFUM, JOSEPH H CA
    2005-08-09 → cancelled 2005-08-06
  • ANDERSON, DANIEL J CA
    2016-01-05 active