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

ND7B callsign genealogy

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 ND7B's current licensee, walking backwards.

  1. N1TPRcancelled· E
    Henrickson, Erin RWAgranted 2020-11-06cancelled 2022-11-15
  2. KJ7RMQcancelled· T
    Henrickson, Erin RWAgranted 2020-10-15cancelled 2020-11-06

Successor callsigns

Callsigns held now by people who previously held ND7B.

  1. K7JCCactive· E
    CERNIGLIA, JOHN CAZgranted 2017-05-09

All historical holders

Every license row we've seen with the callsign ND7B, oldest first.

  • BAERGEN, RALPH N ID
    2011-01-26 → cancelled 2022-10-25
  • Henrickson, Erin WA
    2022-11-15 active
  • —
    — → cancelled 1997-08-04
← Back to ND7B License history →