Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0YC callsign genealogy
Currently held by KNITTER, MICHAEL R
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 AD0YC's current licensee, walking backwards.
- KNITTER, MICHAEL RMNgranted 2015-03-04cancelled 2017-04-20
Successor callsigns
Callsigns held now by people who previously held AD0YC.
- KNITTER, MICHAEL RMNgranted 2018-08-21cancelled 2020-05-12