Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9ANJ callsign genealogy
Currently held by SHUDICK JR, JOHN A
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 W9ANJ's current licensee, walking backwards.
- Thompson, Allison JORgranted 2022-04-12cancelled 2022-04-30
Successor callsigns
Callsigns held now by people who previously held W9ANJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9ANJ, oldest first.
- SHUDICK JR, JOHN A IN2005-11-04 → cancelled 2017-10-28
- Thompson, Allison J OR2022-04-30 active