Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1LIN callsign genealogy
Currently held by WATROUS SR, LINWOOD E
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 K1LIN's current licensee, walking backwards.
- Lin, JieCAgranted 2021-08-23cancelled 2021-09-11
Successor callsigns
Callsigns held now by people who previously held K1LIN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1LIN, oldest first.
- WATROUS SR, LINWOOD E FL2009-02-05 → cancelled 2021-02-11
- Lin, Jie CA2021-09-11 active