John H Knowles
Active- Service
- General Mobile Radio Service
- Location
- DEVENS, MA
- FRN
- 0036894327
- Granted
- Jul 1, 2025
- Expires
- Jul 1, 2035
FCC Amateur and GMRS license lookup
Search public FCC ULS records by callsign, FRN, name, or location.
WSIX469
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