Confidence: Medium · Source: FCC ULS · As of 2026-10-24
W7MRP callsign genealogy
Currently held by PATTERSON, MICHAEL R
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 W7MRP's current licensee, walking backwards.
- Penrod Sr, Michael RAZgranted 2026-08-21cancelled 2026-09-19
Successor callsigns
Callsigns held now by people who previously held W7MRP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7MRP, oldest first.
- PATTERSON, MICHAEL R ID2003-08-19 → cancelled 2015-08-20
- Penrod Sr, Michael R AZ2026-09-19 active