Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5ZB callsign genealogy
Currently held by DI GIROLAMO JR, NICHOLAS A
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 AD5ZB's current licensee, walking backwards.
- DIGIROLAMO JR, NICHOLAS ATXgranted 2004-10-27cancelled 2006-12-22
Successor callsigns
Callsigns held now by people who previously held AD5ZB.
No current licensee on record previously held this callsign.