Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM0H callsign genealogy
Currently held by Logan, Scott K
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 KM0H's current licensee, walking backwards.
- Logan, Scott KMNgranted 2009-11-20cancelled 2010-12-17
Successor callsigns
Callsigns held now by people who previously held KM0H.
- HACKMAN, MICHAEL WWAgranted 2018-07-31
All historical holders
Every license row we've seen with the callsign KM0H, oldest first.
- HACKMAN, MICHAEL W AE2006-10-20 → cancelled 2008-10-28
- Logan, Scott K MN2020-12-08 active