Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7MBR callsign genealogy
Currently held by RYDALCH, MICHAEL B
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 N7MBR's current licensee, walking backwards.
- RYDALCH, MICHAEL BIDgranted 2015-11-04cancelled 2015-12-22
Successor callsigns
Callsigns held now by people who previously held N7MBR.
No current licensee on record previously held this callsign.