Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0WDX callsign genealogy
Currently held by Schrowang, Joshua 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 W0WDX's current licensee, walking backwards.
- Schrowang, Joshua MMNgranted 2019-11-12cancelled 2020-02-01
Successor callsigns
Callsigns held now by people who previously held W0WDX.
- Holcomb, Brad ECOgranted 2022-06-15
All historical holders
Every license row we've seen with the callsign W0WDX, oldest first.
- Holcomb, Brad E WI2005-01-25 → cancelled 2012-09-04
- Schrowang, Joshua M MN2020-02-01 active