uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K2UP callsign genealogy

Currently held by Grambau 364, Robert F

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 K2UP's current licensee, walking backwards.

  1. WW2RGactive· E
    Geiger, Raymond AVAgranted 2022-03-29
  2. KD2VYYcancelled· E
    Geiger, Raymond ANYgranted 2021-03-22cancelled 2022-03-29

Successor callsigns

Callsigns held now by people who previously held K2UP.

  1. K9BMactive· E
    McGann, Bradford YMTgranted 2021-06-10

All historical holders

Every license row we've seen with the callsign K2UP, oldest first.

  • MC GANN, BRADFORD Y KY
    1999-07-22 → cancelled 2001-06-16
  • Grambau 364, Robert F NY
    2023-04-25 active
← Back to K2UP License history →