Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5UP callsign genealogy
Currently held by PAPE, JOHN 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 W5UP's current licensee, walking backwards.
- PAPE, JOHN DTXgranted 2013-10-18cancelled 2014-04-18
Successor callsigns
Callsigns held now by people who previously held W5UP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5UP, oldest first.
- Sicuro Sr, Frank M LA2006-09-12 → cancelled 2012-03-29
- PAPE, JOHN D TX2024-02-03 active