Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6CMO callsign genealogy
Currently held by O'Bannon, Michael A
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 W6CMO's current licensee, walking backwards.
- O'Bannon, Michael ACAgranted 2014-09-15cancelled 2014-10-10
Successor callsigns
Callsigns held now by people who previously held W6CMO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6CMO, oldest first.
- IACONO, TONY CA1997-03-27 → cancelled 2009-03-28
- O'Bannon, Michael A CA2024-08-21 active