Provides reliable AC-to-DC power conversion w/ constant source of DC voltage. Works w/ cellular phones, CB radio, scanner, HAM radio, etc DUAL USB PORTS: This workbench variable power converter ...

If you want to analyze an antenna, you can use simulation software or you can build an antenna and make measurements. [All Electroncs Channel] does both and show you how you can do it, too ...

Local BBC Radio joins BBC Radio 5 live through the night on a weekday.

Stories from Derbyshire & East Staffordshire on BBC Sounds. A round-up of the day's local and national sport on BBC Radio Derby.

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