Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7GKM callsign genealogy
Currently held by SCHRADER, ROBERT 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 W7GKM's current licensee, walking backwards.
- SCHRADER, ROBERT LKSgranted 2005-08-16cancelled 2010-08-28
Successor callsigns
Callsigns held now by people who previously held W7GKM.
- SCHRADER, ROBERT LKSgranted 2020-08-14