Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI1S callsign genealogy
Currently held by McJones, Joel D
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 WI1S's current licensee, walking backwards.
- McJones, Joel DMIgranted 2017-08-09cancelled 2017-10-07
Successor callsigns
Callsigns held now by people who previously held WI1S.
- SCHALLER, DAVID CWAgranted 2015-09-18cancelled 2016-09-16
All historical holders
Every license row we've seen with the callsign WI1S, oldest first.
- SCHALLER, DAVID C FL2010-05-27 → cancelled 2015-09-18
- McJones, Joel D MI2017-10-07 active