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

KB2GD callsign genealogy

Currently held by Christensen, Mark 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 KB2GD's current licensee, walking backwards.

  1. KC2ZMRcancelled· G
    Christensen, Mark JNYgranted 2010-12-03cancelled 2011-01-04

Successor callsigns

Callsigns held now by people who previously held KB2GD.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KB2GD, oldest first.

  • CHRISTENSEN, MARK J NY
    1995-10-12 → cancelled 2007-10-13
  • Christensen, Mark J NY
    2020-11-28 active