Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB7BP callsign genealogy
Currently held by Abplanalp, Christopher T
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 AB7BP's current licensee, walking backwards.
- Abplanalp, Christopher TWAgranted 2023-07-29cancelled 2023-09-19
Successor callsigns
Callsigns held now by people who previously held AB7BP.
- INOMATA, NORIOUTgranted 2025-04-02
All historical holders
Every license row we've seen with the callsign AB7BP, oldest first.
- INOMATA, NORIO UT1994-03-15 → cancelled 2003-08-08
- Abplanalp, Christopher T WA2023-09-19 active