Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4YM callsign genealogy
Currently held by FOLLIS, SHETIKA L
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 AB4YM's current licensee, walking backwards.
- Wieck, John QCAgranted 2023-08-08cancelled 2024-11-30
Successor callsigns
Callsigns held now by people who previously held AB4YM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB4YM, oldest first.
- FOLLIS, SHETIKA L TN2000-08-26 → cancelled 2012-08-22
- Wieck, John W CA2024-11-30 active