Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9SJR callsign genealogy
Currently held by Kester, Daniel E
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 K9SJR's current licensee, walking backwards.
- Kester, Daniel EWIgranted 2010-11-30cancelled 2016-11-04
Successor callsigns
Callsigns held now by people who previously held K9SJR.
- Kester, Daniel EWIgranted 2010-11-30cancelled 2016-11-04
All historical holders
Every license row we've seen with the callsign K9SJR, oldest first.
- DELLINGNER, ERNEST L IN1988-11-22 → cancelled 2000-11-28
- Kester, Daniel E WI2010-11-30 → cancelled 2016-01-08
- Kester, Daniel E WI2016-11-04 active