Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6MO callsign genealogy
Currently held by MANDICH, MIKE S
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 W6MO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W6MO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6MO, oldest first.
- NORTHEY, STANLEY W CA1988-03-22 → cancelled 2000-03-23
- MANDICH, MIKE S CA2020-03-14 active