Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5SE callsign genealogy
Currently held by RINGLING, DONALD 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 W5SE's current licensee, walking backwards.
- Northam, Dennis RTXgranted 2010-02-19cancelled 2011-01-28
Successor callsigns
Callsigns held now by people who previously held W5SE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5SE, oldest first.
- RINGLING, DONALD R MN1996-11-04 → cancelled 2008-11-05
- Martin Sr, John J LA2008-11-25 → cancelled 2009-01-09
- Northam, Dennis R TX2020-11-30 active