Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KR4AB callsign genealogy
Currently held by Sanderson Jr, Dan 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 KR4AB's current licensee, walking backwards.
- Sanderson Jr, Dan CSCgranted 2024-11-23cancelled 2024-12-13
Successor callsigns
Callsigns held now by people who previously held KR4AB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KR4AB, oldest first.
- SANDERSON JR, DAN C NC2003-07-18 → cancelled 2015-08-18
- Sanderson Jr, Dan C SC2024-12-13 active