Sometimes it makes sense to go with plain old batteries and off-the-shelf PVC pipe. That’s the thinking behind [Bertrand Selva]’s clever LoRaTube project. LoRa is a fantastic solution ...

Maps can be drawings or models. They can help you find where you are and where you are going. They show symbols (pictures) for places such as car parks or places of worship like churches. They also ...

Abstract: The effects of inductance on repeater insertion in RLC trees is the focus of this paper. An algorithm is introduced to insert and size repeaters within an RLC tree to optimize a variety of ...

Abstract: To solve the poor quality of Very high frequency (VHF) speech communication in the navigation field, a VHF speech enhancement model based on an improved transformer (VHFSE) is proposed in ...

The VHF radio is undoubtedly the most common piece of electronic gear on saltwater fishing boats. It enables us to carry on casual conversations over substantial distances on marine radio channels, ...

This price reflects trading activity during the overnight session on the Blue Ocean ATS, available 8 PM to 4 AM ET, Sunday through Thursday, when regular markets are closed. Chart does not reflect ...

Alex, K6VHF will be active as V31AZ from Belize.