Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8MMM callsign genealogy
Currently held by SECRET BEACH RADIO CLUB
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 W8MMM's current licensee, walking backwards.
- KD8WHJcancelledSECRET BEACH RADIO CLUBMIgranted 2014-01-21cancelled 2014-02-11
Successor callsigns
Callsigns held now by people who previously held W8MMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8MMM, oldest first.
- MICKELSON, MAYNARD M OH1999-01-29 → cancelled 2009-09-18
- SECRET BEACH RADIO CLUB MI2024-04-26 active