Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7UP callsign genealogy
Currently held by STEINHOFF, DANIEL L
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 W7UP's current licensee, walking backwards.
- STEINHOFF, DANIEL Lcancelled 1998-05-20
Successor callsigns
Callsigns held now by people who previously held W7UP.
No current licensee on record previously held this callsign.