Author: Jeremy Clark

Introduction In the previous post I looked at using AIScatcher along with GNSS to plot position and AIS contacts on OpenCPN (Ref.1). AIScatcher is very sensitive and I even managed to pick us contacts at my home location which is surrounded by massive steel condos and is distant from the harbour. In this post I… Continue reading GNSS & AIScatcher on RaspberryPi4

Introduction In recent posts I have been looking at using my new GNSS receiver on various maps such as OpenStreetMap and OpenCPN (Ref.1/4). Yesterday I received an email from a colleague who told me about AIS Catcher, a new multi-platform AIS software (Ref.5). I downloaded it and tested it from my home QTH. Tech Minds… Continue reading GNSS & AIScatcher on OpenCPN

Introduction In the previous post I did a walkabout to test the propagation testing equipment on OpenStreetMap (Ref.1). In this post I do the same thing but actually drive over a greater portion of the map area. For reference purposes I use Toronto Marine Weather at 162.4MHz as the test signal. Equipment Block Diagram Figure… Continue reading Propagation Testing with GNSS on OpenStreetMap

Introduction Several years ago I read an interesting article on how to marry your spectrum analyzer, GPS and map software to do a propagation drive test (Ref.1). In previous posts I looked at using a new GNSS receiver for use with Radio Mobile for propagation testing (Ref.2). So in this post I will incorporate the… Continue reading GNSS on OpenStreetMap