Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9JHS callsign genealogy
Currently held by PFEIFER, EDWARD 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 W9JHS's current licensee, walking backwards.
- SWANSON, JAMES CILgranted 2017-08-22cancelled 2020-07-03
Successor callsigns
Callsigns held now by people who previously held W9JHS.
- PFEIFER, EDWARD WFLgranted 2017-01-05
All historical holders
Every license row we've seen with the callsign W9JHS, oldest first.
- PFEIFER, EDWARD W WI2000-09-12 → cancelled 2007-03-13
- SWANSON, JAMES C IL2020-07-03 active