Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8NDE callsign genealogy
Currently held by Grewe, David D
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 W8NDE's current licensee, walking backwards.
- Grewe, David DMIgranted 2018-08-01cancelled 2018-08-28
Successor callsigns
Callsigns held now by people who previously held W8NDE.
No current licensee on record previously held this callsign.