Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1HKR callsign genealogy
Currently held by CHAO, JAMES T
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 N1HKR's current licensee, walking backwards.
- Cottam, Cynthia CCOgranted 2010-04-14cancelled 2010-05-04
Successor callsigns
Callsigns held now by people who previously held N1HKR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1HKR, oldest first.
- CHAO, JAMES T MA1990-03-13 → cancelled 2002-03-14
- Cottam, Cynthia C CO2020-03-06 active