Confidence: Medium · Source: FCC ULS · As of 2026-09-15
K2HCO callsign genealogy
Currently held by Olsen, Hans C
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 K2HCO's current licensee, walking backwards.
- Olsen, HansNYgranted 2014-01-09cancelled 2014-03-04
Successor callsigns
Callsigns held now by people who previously held K2HCO.
No current licensee on record previously held this callsign.