Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WT2S callsign genealogy
Currently held by CHAN, JOHN 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 WT2S's current licensee, walking backwards.
- Suydam, Tyler WNJgranted 2023-04-25cancelled 2023-11-03
Successor callsigns
Callsigns held now by people who previously held WT2S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WT2S, oldest first.
- CHAN, JOHN C NJ1999-07-12 → cancelled 2011-07-13
- TROJANOWSKI, WILLIAM D NY2011-10-15 → cancelled 2023-10-17
- Suydam, Tyler W NJ2023-11-03 active