Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3OV callsign genealogy
Currently held by Geiser, John N
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 AB3OV's current licensee, walking backwards.
- Geiser, John NPAgranted 2011-09-22cancelled 2011-12-19
Successor callsigns
Callsigns held now by people who previously held AB3OV.
No current licensee on record previously held this callsign.