Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3UMX callsign genealogy
Currently held by POTTS, JOSEPH R
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 W3UMX's current licensee, walking backwards.
- Potts, Joseph RPAgranted 2005-06-29cancelled 2006-01-10
Successor callsigns
Callsigns held now by people who previously held W3UMX.
No current licensee on record previously held this callsign.