Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4CDC callsign genealogy
Currently held by BLAYLOCK, JASON S
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 WA4CDC's current licensee, walking backwards.
- BLAYLOCK, JASON Scancelled 1999-05-21
Successor callsigns
Callsigns held now by people who previously held WA4CDC.
- BLAYLOCK, JASON STNgranted 2024-05-29
All historical holders
Every license row we've seen with the callsign WA4CDC, oldest first.
- SHEARIN, WILLIAM R VA1996-06-03 → cancelled 1998-05-12
- BLAYLOCK, JASON S TN2019-05-29 → cancelled 2024-05-29