ROBERT G BLUMBERG
Active- Service
- Amateur Vanity
- Class
- Amateur Extra
- Location
- CARDIFF BY THE SEA, CA
- FRN
- 0003145133
- Granted
- Aug 15, 2026
- Expires
- Nov 4, 2036
FCC Amateur and GMRS license lookup
Search public FCC ULS records by callsign, FRN, name, or location.
K4RB
- Callsign
- Try W1AW, or enter several callsigns separated by commas.
- FRN
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- Advanced
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