Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4ROB callsign genealogy
Currently held by Negron-Santini, Roberto
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 KA4ROB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KA4ROB.
- Negron-Santini, RobertoPRgranted 2020-09-01cancelled 2021-10-05