Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0RSL callsign genealogy
Currently held by Springer, Andrew 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 K0RSL's current licensee, walking backwards.
- Springer, Andrew CWIgranted 2007-02-15cancelled 2007-03-16
Successor callsigns
Callsigns held now by people who previously held K0RSL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0RSL, oldest first.
- KAHLER, CARL B MN1993-09-07 → cancelled 2005-09-08
- Springer, Andrew C TX2017-05-20 active