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

AA9RB callsign genealogy

Currently held by NALL, CLAYTON M

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 AA9RB's current licensee, walking backwards.

  1. WB9RNDcancelled· E
    ASPINWALL, ROBERT BWIgranted 2017-06-20cancelled 2019-12-17
  2. KA9JPZcancelled
    cancelled 1997-08-07

Successor callsigns

Callsigns held now by people who previously held AA9RB.

  1. WC4RBactive· E
    BOLICK, ROBERT LNCgranted 2026-08-20
  2. NF1Ractive· E
    Nall, ClaytonCAgranted 2025-12-16

All historical holders

Every license row we've seen with the callsign AA9RB, oldest first.

  • NALL, CLAYTON M MA
    2003-12-20 → cancelled 2006-01-10
  • BOLICK, ROBERT L NC
    2016-05-13 → cancelled 2016-10-14
  • ASPINWALL, ROBERT B WI
    2019-12-17 active
← Back to AA9RB License history →