Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1MHO callsign genealogy
Currently held by MICHELSEN, GEORGE E
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 K1MHO's current licensee, walking backwards.
- Michelsen, George ENHgranted 2013-03-12cancelled 2013-04-16
Successor callsigns
Callsigns held now by people who previously held K1MHO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1MHO, oldest first.
- MICHELSEN, GEORGE E MA1995-03-21 → cancelled 2007-03-22
- Michelsen, George E NH2023-02-11 active