Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8AO callsign genealogy
Currently held by SCHENCK, ROBERT D
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 W8AO's current licensee, walking backwards.
- Glaser, Michael AMNgranted 2025-12-12cancelled 2026-03-13
Successor callsigns
Callsigns held now by people who previously held W8AO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8AO, oldest first.
- SCHENCK, ROBERT D OH2013-10-21 → cancelled 2024-03-19
- Glaser, Michael A MN2026-03-13 active