Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA1SIS callsign genealogy
Currently held by CLASS SR, EDWARD L
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 WA1SIS's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WA1SIS.
- CLASS SR, EDWARD LVTgranted 2009-01-31cancelled 2021-02-02