Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1HSU callsign genealogy
Currently held by HUMBOLDT STATE UNIVERSITY AMATEUR RADIO 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 K1HSU's current licensee, walking backwards.
- KG6VAOcancelledHSU Radio ClubCAgranted 2004-05-17cancelled 2004-06-26
Successor callsigns
Callsigns held now by people who previously held K1HSU.
- W6HSUexpiredHUMBOLDT STATE UNIVERSITY AMATEUR RADIO SOCIETYCAgranted 2014-05-20cancelled 2026-05-21