Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6YMM callsign genealogy
Currently held by Ganschow, Michael W
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 K6YMM's current licensee, walking backwards.
- Ganschow, Michael WCAgranted 2020-09-17cancelled 2020-10-23
Successor callsigns
Callsigns held now by people who previously held K6YMM.
No current licensee on record previously held this callsign.