Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1UPR callsign genealogy
Currently held by Woolf, Michael A
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 W1UPR's current licensee, walking backwards.
- Woolf, Michael AMAgranted 1999-10-05cancelled 2000-01-07
Successor callsigns
Callsigns held now by people who previously held W1UPR.
No current licensee on record previously held this callsign.