Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7OA callsign genealogy
Currently held by FISCHER, ALBIN H
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 W7OA's current licensee, walking backwards.
- Gugler, TomNVgranted 2001-04-26cancelled 2008-01-23
Successor callsigns
Callsigns held now by people who previously held W7OA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7OA, oldest first.
- FISCHER, ALBIN H AZ2004-04-01 → cancelled 2006-01-03
- Gugler, Tom NV2017-12-06 active