Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4JTS callsign genealogy
Currently held by SINCLAIR, JANICE 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 KD4JTS's current licensee, walking backwards.
- SINCLAIR, JANICE TGAgranted 2010-03-09cancelled 2010-04-13
Successor callsigns
Callsigns held now by people who previously held KD4JTS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4JTS, oldest first.
- LEWIS, DONALD L TN1992-02-04 → cancelled 2004-02-05
- SINCLAIR, JANICE T GA2020-01-29 active