John Coster
Active- Service
- General Mobile Radio Service
- Location
- SEATTLE, WA
- FRN
- 0038472817
- Granted
- May 29, 2026
- Expires
- May 29, 2036
FCC Amateur and GMRS license lookup
Search public FCC ULS records by callsign, FRN, name, or location.
WSMZ743
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