Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WT0P callsign genealogy
Currently held by Pastore, Robert
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 WT0P's current licensee, walking backwards.
- Pastore, RobertNYgranted 1993-05-18cancelled 2002-12-24
Successor callsigns
Callsigns held now by people who previously held WT0P.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WT0P, oldest first.
- PEARSON, FREDRICK L MN1990-05-29 → cancelled 2002-05-30
- Pastore, Robert NY2023-05-25 active