Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA6OLI callsign genealogy
Currently held by Kramer, Karl F
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 KA6OLI's current licensee, walking backwards.
- Kramer, Karl FCAgranted 2006-11-22cancelled 2006-12-16
Successor callsigns
Callsigns held now by people who previously held KA6OLI.
- Kramer, Karl FCAgranted 2018-01-09