Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9R callsign genealogy
Currently held by SCHIBLEY, OLEN L
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 AD9R's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AD9R.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD9R, oldest first.
- SCHIBLEY, OLEN L IN1987-12-15 → cancelled 1999-12-16
- TIEDEMAN, SANDY NV2024-05-21 active