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

AA9SF callsign genealogy

Currently held by FRANK, HARRY J

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 AA9SF's current licensee, walking backwards.

  1. KG9SFcancelled· E
    FRANCIS, SCOTT JAMESILgranted 2010-08-19cancelled 2018-01-17
  2. WA9APAcancelled· A
    FRANCIS, SCOTT JILgranted 2000-07-08cancelled 2000-09-19

Successor callsigns

Callsigns held now by people who previously held AA9SF.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AA9SF, oldest first.

  • FRANK, HARRY J WI
    1996-05-11 → cancelled 2007-06-08
  • FRANCIS, SCOTT JAMES IL
    2018-01-17 active