Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2HRD callsign genealogy
Currently held by HAMILTON, ROBERT 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 K2HRD's current licensee, walking backwards.
- KOSMAN, HALEY DCOgranted 2022-01-31cancelled 2022-03-08
Successor callsigns
Callsigns held now by people who previously held K2HRD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2HRD, oldest first.
- HAMILTON, ROBERT C NY1988-03-22 → cancelled 2000-03-23
- KOSMAN, HALEY D CO2022-03-08 active