Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4ORH callsign genealogy
Currently held by ABER, CARL B
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 KK4ORH's current licensee, walking backwards.
- ABER, CARL BFLgranted 2005-11-16cancelled 2013-02-22
Successor callsigns
Callsigns held now by people who previously held KK4ORH.
- ABER, CARL BFLgranted 2023-03-03