Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR3B callsign genealogy
Currently held by BORCHILO, RICHARD
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 KR3B's current licensee, walking backwards.
- BORCHILO, RICHARD APAgranted 2014-10-01cancelled 2020-05-27
Successor callsigns
Callsigns held now by people who previously held KR3B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KR3B, oldest first.
- NELLIGAN JR, JOHN E PA2008-03-26 → cancelled 2020-04-29
- BORCHILO, RICHARD PA2020-05-27 active