Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0UI callsign genealogy
Currently held by KRASNOFF, NEAL E
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 AD0UI's current licensee, walking backwards.
- KRASNOFF, NEAL EMNgranted 2019-08-06cancelled 2021-08-06
Successor callsigns
Callsigns held now by people who previously held AD0UI.
- KRASNOFF, NEAL EMNgranted 2019-08-06cancelled 2021-08-06
All historical holders
Every license row we've seen with the callsign AD0UI, oldest first.
- KRASNOFF, NEAL E MN2015-05-06 → cancelled 2019-08-06
- KRASNOFF, NEAL E PA2021-08-06 active