Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0CF callsign genealogy
Currently held by Sprick, Joseph J
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 AD0CF's current licensee, walking backwards.
- Sprick, Joseph JCOgranted 2011-07-22cancelled 2012-10-23
Successor callsigns
Callsigns held now by people who previously held AD0CF.
No current licensee on record previously held this callsign.