Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA7KMS callsign genealogy
Currently held by Johnston Middle School Amateur Radio Club
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 WA7KMS's current licensee, walking backwards.
- Schuetz, KlausWAgranted 2020-12-30cancelled 2021-01-19
Successor callsigns
Callsigns held now by people who previously held WA7KMS.
- WA7JMScancelledJohnston Middle School Amateur Radio ClubNVgranted 2008-01-25cancelled 2013-10-29
All historical holders
Every license row we've seen with the callsign WA7KMS, oldest first.
- Johnston Middle School Amateur Radio Club NV2005-05-03 → cancelled 2008-01-25
- Schuetz, Klaus WA2021-01-19 active