Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0TF callsign genealogy
Currently held by Schmedake, Robert 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 AD0TF's current licensee, walking backwards.
- Schmedake, Robert AMOgranted 2015-06-25cancelled 2016-03-17
Successor callsigns
Callsigns held now by people who previously held AD0TF.
No current licensee on record previously held this callsign.