Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8TDI callsign genealogy
Currently held by Van Heukelom, Nathan
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 W8TDI's current licensee, walking backwards.
- Van Heukelom, NathanMIgranted 2022-02-24cancelled 2022-04-16
Successor callsigns
Callsigns held now by people who previously held W8TDI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8TDI, oldest first.
- HULL, VERNON W OH1988-06-28 → cancelled 2000-06-29
- Van Heukelom, Nathan MI2022-04-16 active