Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9CIB callsign genealogy
Currently held by Kreitz Jr, Richard C
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 KB9CIB's current licensee, walking backwards.
- Kreitz Jr, Richard CWIgranted 2015-11-06cancelled 2016-01-22
Successor callsigns
Callsigns held now by people who previously held KB9CIB.
- Kreitz JR, Richard CTXgranted 2026-04-24
All historical holders
Every license row we've seen with the callsign KB9CIB, oldest first.
- PRASAD, VIVEK IL1989-06-06 → cancelled 2001-06-07
- Kreitz Jr, Richard C WI2016-01-22 → cancelled 2016-03-12