Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1NIC callsign genealogy
Currently held by Cao, Juncheng
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 W1NIC's current licensee, walking backwards.
- Cao, JunchengMAgranted 2024-11-14cancelled 2024-12-03
Successor callsigns
Callsigns held now by people who previously held W1NIC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1NIC, oldest first.
- RICHARDSON, EARL E ME2004-02-26 → cancelled 2016-05-25
- Cao, Juncheng MA2024-12-03 active