Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SSP callsign genealogy
Currently held by CRESPO, YOANDRY
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 K4SSP's current licensee, walking backwards.
- CRESPO, YOANDRYFLgranted 2024-11-01cancelled 2024-11-22
Successor callsigns
Callsigns held now by people who previously held K4SSP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4SSP, oldest first.
- Brunson, William L GA2008-03-01 → cancelled 2016-09-23
- CRESPO, YOANDRY FL2024-11-22 active