Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9FDL callsign genealogy
Currently held by Olig, Dorothy A
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 K9FDL's current licensee, walking backwards.
- Olig, Dorothy AWIgranted 2002-09-19cancelled 2002-10-08
Successor callsigns
Callsigns held now by people who previously held K9FDL.
No current licensee on record previously held this callsign.