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

KB1FJM callsign genealogy

Currently held by De Lellis, Mark D

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 KB1FJM's current licensee, walking backwards.

  1. K1DELactive· G
    Littlefield, Dana EMEgranted 2023-12-14
  2. KB1ZLUcancelled· G
    Littlefield, Dana EMEgranted 2013-03-07cancelled 2013-11-19

Successor callsigns

Callsigns held now by people who previously held KB1FJM.

  1. K1DELcancelled· T
    De Lellis, Mark DMAgranted 2000-07-24cancelled 2000-09-12

All historical holders

Every license row we've seen with the callsign KB1FJM, oldest first.

  • De Lellis, Mark D MA
    2000-06-22 → cancelled 2000-07-24
  • De Lellis, Mark D MA
    2020-10-03 active
← Back to KB1FJM License history →