Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MRR callsign genealogy
Currently held by REID, JOSEPH 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 W4MRR's current licensee, walking backwards.
- REID, JOSEPH MNCgranted 2022-04-11cancelled 2023-07-15
Successor callsigns
Callsigns held now by people who previously held W4MRR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4MRR, oldest first.
- SEIDLER, IAN TX2009-12-01 → cancelled 2022-02-26
- REID, JOSEPH M NC2023-07-15 active