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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KC5ZZ callsign genealogy

Currently held by Emergency Communicators For Hospital Organizations

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 KC5ZZ's current licensee, walking backwards.

  1. KD5YTLcancelled
    Emergency Communicators For Hospital OrganizationsLAgranted 2013-07-16cancelled 2017-05-16

Successor callsigns

Callsigns held now by people who previously held KC5ZZ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KC5ZZ, oldest first.

  • Spencer, Walter F LA
    1996-12-17 → cancelled 2008-12-18
  • Emergency Communicators For Hospital Organizations LA
    2017-05-16 active
← Back to KC5ZZ License history →