Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS5YP callsign genealogy
Currently held by DILLOW, WILLIAM S
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 KS5YP's current licensee, walking backwards.
- KB5SYPcancelledcancelled 1997-10-09
Successor callsigns
Callsigns held now by people who previously held KS5YP.
- Dillow, William STXgranted 1997-10-09cancelled 2000-10-31