Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0DRP callsign genealogy
Currently held by SLACK, ELLSWORTH W
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 W0DRP's current licensee, walking backwards.
- Pape, David RMOgranted 2017-09-25cancelled 2018-04-20
Successor callsigns
Callsigns held now by people who previously held W0DRP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0DRP, oldest first.
- SLACK, ELLSWORTH W MO1987-12-22 → cancelled 1999-12-23
- Pape, David R MO2018-04-20 active