Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4AFC callsign genealogy
Currently held by SHIELDS, MARION D
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 W4AFC's current licensee, walking backwards.
- KJ4ZWWcancelledUpper Pinellas Amateur Radio ClubFLgranted 2011-01-19cancelled 2012-07-14
Successor callsigns
Callsigns held now by people who previously held W4AFC.
- Billingsley Sr, John AALgranted 2018-11-14
All historical holders
Every license row we've seen with the callsign W4AFC, oldest first.
- SHIELDS, MARION D FL1996-06-04 → cancelled 2008-06-05
- Billingsley Sr, John A AL2008-10-21 → cancelled 2008-12-30
- Upper Pinellas Amateur Radio Club FL2022-04-18 active