Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0ODP callsign genealogy
Currently held by KOLAR, EDWARD T
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 KA0ODP's current licensee, walking backwards.
- John, Christopher OWIgranted 2019-03-05cancelled 2022-03-05
Successor callsigns
Callsigns held now by people who previously held KA0ODP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA0ODP, oldest first.
- KOLAR, EDWARD T MN1987-09-08 → cancelled 1999-09-10
- John, Christopher O WI2022-03-05 active