Introduction In the previous post I reviewed my existing GPS receivers and took a quick look at a new GPS/GNSS receiver BU-353N5 (Ref.1). In this post I am going to look more carefully at this new GNSS receiver and its capabilities. GNSS = Global Navigation Satellite System (Ref.2). GNSS Systems Satellite Navigation System Properties GPS… Continue reading GNSS Receiver

Introduction Recently I have been looking at propagation prediction. I read a very interesting article about propagation drive testing, so I thought I would check my existing GPS units for suitability. Since I replaced my Win7 laptop with a Win10 laptop several years ago, a key thing changed. The original FTDI drivers for various devices… Continue reading GPS/GNSS Receiver Testing

Introduction In a recent post I was considering a hypothetical 2m amateur radio repeater and studying its VHF coverage with a Yagi antenna (Ref.1). In the process I read an article describing the difference in results of using the Longley-Rice & ITWOM propagation models (Ref2). The researchers used the Radio Mobile program developed by Roger… Continue reading VHF Marine Propagation with Radio Mobile