Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8JMO callsign genealogy
Currently held by Osmialowski, Joshua 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 W8JMO's current licensee, walking backwards.
- Osmialowski, Joshua MMIgranted 2012-07-06cancelled 2013-06-11
Successor callsigns
Callsigns held now by people who previously held W8JMO.
No current licensee on record previously held this callsign.