Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WF3Y callsign genealogy
Currently held by GREENLAW, MARK E
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 WF3Y's current licensee, walking backwards.
- Majka, Brian KMDgranted 2025-07-10cancelled 2026-03-28
Successor callsigns
Callsigns held now by people who previously held WF3Y.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WF3Y, oldest first.
- Clark, John L MD2000-09-01 → cancelled 2012-11-07
- GREENLAW, MARK E MD2014-02-04 → cancelled 2026-03-07
- Majka, Brian K MD2026-03-28 active