Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0UGD callsign genealogy
Currently held by Klein, Jeffrey M
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 W0UGD's current licensee, walking backwards.
- Klein, Jeff MKSgranted 2017-08-18cancelled 2025-05-23
Successor callsigns
Callsigns held now by people who previously held W0UGD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0UGD, oldest first.
- BORGMANN, BERNARD KS1997-04-01 → cancelled 2005-01-27
- Klein, Jeffrey M KS2025-05-23 active