Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6MMM callsign genealogy
Currently held by Ranstrom, Timothy 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 K6MMM's current licensee, walking backwards.
- KJ6NJPcancelledMONKEY LOVERS RADIO CONSORTIUMCAgranted 2011-03-21cancelled 2011-04-15
Successor callsigns
Callsigns held now by people who previously held K6MMM.
- Ranstrom, Timothy ACAgranted 2018-12-21
All historical holders
Every license row we've seen with the callsign K6MMM, oldest first.
- Ranstrom, Timothy A CA1999-03-17 → cancelled 2007-09-06
- MONKEY LOVERS RADIO CONSORTIUM CA2021-01-20 active