Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AE7BT callsign genealogy
Currently held by Lidzbarski, Richard 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 AE7BT's current licensee, walking backwards.
- Lidzbarski, Richard MORgranted 2013-04-17cancelled 2013-09-28
Successor callsigns
Callsigns held now by people who previously held AE7BT.
- Park, YongsupPAgranted 2019-08-02
All historical holders
Every license row we've seen with the callsign AE7BT, oldest first.
- Park, Yongsup AZ2009-08-06 → cancelled 2009-08-29
- Lidzbarski, Richard M OR2023-08-08 active