Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4R callsign genealogy
Currently held by SOPER, MICHAEL B
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 AJ4R's current licensee, walking backwards.
- Rieck Jr, Roy JNCgranted 2019-03-27cancelled 2023-10-28
Successor callsigns
Callsigns held now by people who previously held AJ4R.
- JUNG, KATHY MVAgranted 2017-09-12
All historical holders
Every license row we've seen with the callsign AJ4R, oldest first.
- WIGGINS SR, WILLIAM C FL2002-02-01 → cancelled 2011-07-23
- JUNG, KATHY M VA2013-08-13 → cancelled 2017-09-12
- SOPER, MICHAEL B FL2019-10-01 → cancelled 2021-10-09
- Rieck Jr, Roy J NC2023-10-28 active