Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR2D callsign genealogy
Currently held by De Block Jr, Ronald J
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 KR2D's current licensee, walking backwards.
- De Block Jr, Ronald JNJgranted 1999-06-15cancelled 2008-09-16
Successor callsigns
Callsigns held now by people who previously held KR2D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KR2D, oldest first.
- BLAZEK, ADOLPH J NY1996-05-15 → cancelled 2005-09-30
- De Block Jr, Ronald J NJ2018-08-07 active