Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4HUB callsign genealogy
Currently held by GREENSPAN, PHILIP
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 W4HUB's current licensee, walking backwards.
- HUBSCH NETO, ERWINFLgranted 2021-10-27cancelled 2023-12-19
Successor callsigns
Callsigns held now by people who previously held W4HUB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4HUB, oldest first.
- GREENSPAN, PHILIP NC1996-04-04 → cancelled 2008-04-05
- HUBSCH NETO, ERWIN FL2023-12-19 active