Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4MFK callsign genealogy
Currently held by REDA JR, SANTO F
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 WA4MFK's current licensee, walking backwards.
- Reda Jr, Santo FFLgranted 2016-09-20cancelled 2016-10-12
Successor callsigns
Callsigns held now by people who previously held WA4MFK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4MFK, oldest first.
- REDA JR, SANTO F FL1996-08-08 → cancelled 2008-08-09
- REDA JR, SANTO F FL2026-08-13 active