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

K3DB callsign genealogy

Currently held by BOLLINGER, DAVID A

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 K3DB's current licensee, walking backwards.

  1. K3EBQcancelled· E
    BOLLINGER, DAVID AMDgranted 2002-05-24cancelled 2005-09-13
  2. WC4Jactive· E
    Cochran, Jack BVAgranted 2024-04-11
  3. N8FKactive· E
    Zaffi, PaoloSCgranted 2016-10-06
  4. AI4SEcancelled· E
    Zaffi, PaoloSCgranted 2005-10-12cancelled 2006-10-31
  5. KI4MAYcancelled· E
    Zaffi, PaoloSCgranted 2005-10-12cancelled 2006-10-10

Successor callsigns

Callsigns held now by people who previously held K3DB.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K3DB, oldest first.

  • FALABELLA, JOSEPH F DC
    1994-06-16 → cancelled 1998-01-27
  • BOLLINGER, DAVID A MD
    2025-09-04 active
← Back to K3DB License history →