Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4MJ callsign genealogy
Currently held by Haggerty, Michael J
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 WA4MJ's current licensee, walking backwards.
- Haggerty, Michael JGAgranted 2019-10-30cancelled 2026-03-20
Successor callsigns
Callsigns held now by people who previously held WA4MJ.
- FORLINES, TIMOTHY ATNgranted 2019-07-20
All historical holders
Every license row we've seen with the callsign WA4MJ, oldest first.
- FORLINES, TIMOTHY A TN2014-02-15 → cancelled 2019-07-20
- Haggerty, Michael J GA2026-03-20 active