uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

NN4I callsign genealogy

Currently held by DALTON, BOB N

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 NN4I's current licensee, walking backwards.

  1. NB4Bactive· E
    BUIE, DAVID JFLgranted 2023-02-10
  2. KB4POAcancelled· E
    BUIE, DAVID JFLgranted 2015-08-19cancelled 2023-02-10

Successor callsigns

Callsigns held now by people who previously held NN4I.

  1. NB4Bcancelled· E
    DALTON, BOB NNCgranted 2020-01-31cancelled 2021-01-22
  2. AA4CIcancelled· E
    DALTON, BOB NNCgranted 2017-09-12cancelled 2018-02-03

All historical holders

Every license row we've seen with the callsign NN4I, oldest first.

  • WITT, MARQUIS G FL
    1999-01-05 → cancelled 2011-01-06
  • DALTON, BOB N NC
    2011-01-25 → cancelled 2017-09-12
  • DALTON, BOB N NC
    2018-02-03 → cancelled 2020-01-31
  • DALTON, Robert N NC
    2021-01-22 active
← Back to NN4I License history →