Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH6KM callsign genealogy
Currently held by White, John H
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 WH6KM's current licensee, walking backwards.
- MABE, KURTIS THIgranted 2000-08-08cancelled 2009-12-29
Successor callsigns
Callsigns held now by people who previously held WH6KM.
- White, John HMNgranted 2021-05-18
All historical holders
Every license row we've seen with the callsign WH6KM, oldest first.
- White, John H MN1996-08-19 → cancelled 2001-08-07
- MABE, KURTIS T HI2019-10-09 active