Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7JEM callsign genealogy
Currently held by MAGUIRE, JOHN E
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 W7JEM's current licensee, walking backwards.
- McGuigan, Jack EWAgranted 2020-02-18cancelled 2020-03-07
Successor callsigns
Callsigns held now by people who previously held W7JEM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7JEM, oldest first.
- MAGUIRE, JOHN E WA2008-01-25 → cancelled 2020-01-28
- McGuigan, Jack E WA2020-03-07 active