Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0RDF callsign genealogy
Currently held by WARE, MICHAEL O
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 KA0RDF's current licensee, walking backwards.
- Foster, Richard DMOgranted 2011-06-01cancelled 2011-07-01
Successor callsigns
Callsigns held now by people who previously held KA0RDF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA0RDF, oldest first.
- WARE, MICHAEL O IA1996-01-26 → cancelled 2001-08-09
- Foster, Richard D MO2021-04-20 active