Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9OP callsign genealogy
Currently held by Jens, Marc M
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 AB9OP's current licensee, walking backwards.
- Jens, Marc MILgranted 2003-12-22cancelled 2007-05-31
Successor callsigns
Callsigns held now by people who previously held AB9OP.
No current licensee on record previously held this callsign.