Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7MRN callsign genealogy
Currently held by GRISHAM, LESTER A
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 W7MRN's current licensee, walking backwards.
- Nicoli, Michael RAZgranted 2008-10-27cancelled 2010-12-28
Successor callsigns
Callsigns held now by people who previously held W7MRN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7MRN, oldest first.
- GRISHAM, LESTER A NV1997-12-26 → cancelled 2009-12-29
- Nicoli, Michael R UT2020-12-15 active