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

AD9A callsign genealogy

Currently held by WALLER, CHARLES W

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 AD9A's current licensee, walking backwards.

  1. KD9KMAcancelled· E
    Weibel, Brent JILgranted 2015-05-27cancelled 2017-08-19
  2. KD9DVWcancelled· T
    WEIBEL, BRENT JILgranted 2015-05-06cancelled 2015-05-27

Successor callsigns

Callsigns held now by people who previously held AD9A.

  1. K4CCWactive· E
    WALLER, CHARLES WTNgranted 2025-05-15

All historical holders

Every license row we've seen with the callsign AD9A, oldest first.

  • WALLER, CHARLES W TN
    2015-01-28 → cancelled 2015-07-31
  • Weibel, Brent J IL
    2017-08-19 active
← Back to AD9A License history →