Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8MHO callsign genealogy
Currently held by McMath-Hulbert Astronomical Society
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 K8MHO's current licensee, walking backwards.
- KC8YHScancelledMcMath-Hulbert Astronomical SocietyMIgranted 2003-09-02cancelled 2004-01-21
Successor callsigns
Callsigns held now by people who previously held K8MHO.
No current licensee on record previously held this callsign.