Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL7BT callsign genealogy
Currently held by PERRY, ARNOLD C
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 KL7BT's current licensee, walking backwards.
- Freiberger, Mark AWAgranted 2008-03-25cancelled 2008-05-30
Successor callsigns
Callsigns held now by people who previously held KL7BT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KL7BT, oldest first.
- PERRY, ARNOLD C AK1998-05-07 → cancelled 2001-03-16
- Freiberger, Mark A WA2018-05-03 active