Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC5ISB callsign genealogy
Currently held by DIGIROLAMO 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 KC5ISB's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC5ISB.
- DI GIROLAMO JR, NICHOLAS ATXgranted 2024-09-13