Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0BCS callsign genealogy
Currently held by Captain John H Schulte (w5ewf) Signal Corps Memorial Club
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 KD0BCS's current licensee, walking backwards.
- Skalecke, Bonnie CCOgranted 2018-01-22cancelled 2018-10-10
Successor callsigns
Callsigns held now by people who previously held KD0BCS.
- W5EWFactiveCaptain John H Schulte (W5EWF) Signal Corps Memorial ClubMOgranted 2017-10-05
All historical holders
Every license row we've seen with the callsign KD0BCS, oldest first.
- Captain John H Schulte (w5ewf) Signal Corps Memorial Club MO2007-07-05 → cancelled 2007-08-03
- Skalecke, Bonnie C CO2018-10-10 active