Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W0UPR callsign genealogy
Currently held by Union Pacific ARC
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 W0UPR's current licensee, walking backwards.
- KJ6ZOGcancelledUnion Pacific R RCAgranted 2012-09-06cancelled 2012-09-25
Successor callsigns
Callsigns held now by people who previously held W0UPR.
No current licensee on record previously held this callsign.