Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RAC callsign genealogy
Currently held by COLLESANO, ROBERT 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 K4RAC's current licensee, walking backwards.
- COLLESANO, ROBERT Acancelled 1999-07-22
Successor callsigns
Callsigns held now by people who previously held K4RAC.
No current licensee on record previously held this callsign.