Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC8YHS 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 KC8YHS's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC8YHS.
- K8MHOexpiredMcMath-Hulbert Astronomical SocietyMIgranted 2014-01-31cancelled 2026-03-06