Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MSJ callsign genealogy
Currently held by Jackson, Matthew 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 W4MSJ's current licensee, walking backwards.
- Jackson, Matthew STNgranted 2012-11-13cancelled 2012-12-07
Successor callsigns
Callsigns held now by people who previously held W4MSJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4MSJ, oldest first.
- LILE JR, JOHN M GA1995-11-28 → cancelled 2007-11-29
- Jackson, Matthew S TN2023-01-25 active