Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0ADB callsign genealogy
Currently held by SHEFFER, MAYLO
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 K0ADB's current licensee, walking backwards.
- Jerome, Orris DKSgranted 2020-12-28cancelled 2021-12-04
Successor callsigns
Callsigns held now by people who previously held K0ADB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0ADB, oldest first.
- SHEFFER, MAYLO FL2005-10-11 → cancelled 2017-12-06
- Jerome, Orris D KS2021-12-04 active