Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4MO callsign genealogy
Currently held by OMANSKY, MICHAEL
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 WA4MO's current licensee, walking backwards.
- Mc Cullough, Jerry WALgranted 2013-05-28cancelled 2020-03-31
Successor callsigns
Callsigns held now by people who previously held WA4MO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4MO, oldest first.
- OMANSKY, MICHAEL FL2007-08-03 → cancelled 2019-08-06
- Mc Cullough, Jerry W AL2020-03-31 active