Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2ISA callsign genealogy
Currently held by Grattery, Jean-Claude
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 W2ISA's current licensee, walking backwards.
- Grattery, Jean-ClaudeNYgranted 2020-10-19cancelled 2020-11-06
Successor callsigns
Callsigns held now by people who previously held W2ISA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2ISA, oldest first.
- Dickerson, Tully J NJ2005-03-15 → cancelled 2017-06-14
- Grattery, Jean-Claude NY2020-11-06 active