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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K0CU callsign genealogy

Currently held by FROEHLICH, CARL T

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 K0CU's current licensee, walking backwards.

  1. KV4Uactive· E
    Giallo II, Joseph FNCgranted 2024-01-17
  2. AF4XScancelled· E
    Giallo Ii, Joseph FNCgranted 2017-11-07cancelled 2024-01-17
  3. KA6BKKcancelled· A
    GIALLO II, JOSEPH FFLgranted 1997-12-08cancelled 2000-06-08

Successor callsigns

Callsigns held now by people who previously held K0CU.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K0CU, oldest first.

  • UPTON, CARL D KS
    2007-07-24 → cancelled 2019-10-22
  • FROEHLICH, CARL T VA
    2019-11-13 active
← Back to K0CU License history →