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

NU5B callsign genealogy

Currently held by SAWTELLE JR, RAYMOND F

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 NU5B's current licensee, walking backwards.

  1. NF8Vactive· E
    ROBBINS, TIM AFLgranted 2019-06-01
  2. N5PCEcancelled· E
    ROBBINS, TIM AWVgranted 2009-07-14cancelled 2019-06-01

Successor callsigns

Callsigns held now by people who previously held NU5B.

  1. K5NBactive· E
    SAWTELLE JR, RAYMOND FTXgranted 2025-03-15

All historical holders

Every license row we've seen with the callsign NU5B, oldest first.

  • DIXON, JEAN AR
    2001-07-21 → cancelled 2013-08-28
  • SAWTELLE JR, RAYMOND F TX
    2013-09-17 → cancelled 2015-04-21
  • Rogers Jr, Loy D AR
    2017-05-12 active