Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA2CIR callsign genealogy
Currently held by AMBROSINO, CLAUDIA P
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 WA2CIR's current licensee, walking backwards.
- AMBROSINO, CLAUDIA PNYgranted 2015-07-14cancelled 2024-01-09
Successor callsigns
Callsigns held now by people who previously held WA2CIR.
- KIRSHNER, MARKNYgranted 2021-12-18cancelled 2022-08-30
All historical holders
Every license row we've seen with the callsign WA2CIR, oldest first.
- KIRSHNER, MARK NY2017-05-19 → cancelled 2021-12-18
- AMBROSINO, CLAUDIA P NY2024-01-09 active