Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4ISS callsign genealogy
Currently held by Marescia, Giancarlo
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 W4ISS's current licensee, walking backwards.
- Marescia, GiancarloSCgranted 2016-07-25cancelled 2017-04-04
Successor callsigns
Callsigns held now by people who previously held W4ISS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4ISS, oldest first.
- SIMPSON, FRANK F GA1997-12-24 → cancelled 2009-12-25
- Marescia, Giancarlo SC2017-04-04 active