Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7JRK callsign genealogy
Currently held by SOUSLEY, MATTHEW R
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 W7JRK's current licensee, walking backwards.
- Knapp, Jerrold RUTgranted 2016-07-26cancelled 2016-09-07
Successor callsigns
Callsigns held now by people who previously held W7JRK.
- SOUSLEY, MATTHEW RIDgranted 2021-04-20
All historical holders
Every license row we've seen with the callsign W7JRK, oldest first.
- SOUSLEY, MATTHEW R WA2005-08-06 → cancelled 2011-07-06
- Knapp, Jerrold R UT2026-09-11 active