Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5ISU callsign genealogy
Currently held by Whittaker, Dylan T
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 W5ISU's current licensee, walking backwards.
- Whittaker, Dylan TAZgranted 2017-07-11cancelled 2017-12-08
Successor callsigns
Callsigns held now by people who previously held W5ISU.
No current licensee on record previously held this callsign.