Finally TTNmon has a map to show the tracked nodes and seen gateways. If you don’t have privacy concerns or a moving device, please add your nodes coordinates in the TTN console. This way the data becomes more interesting for all of us.

UPDATE 1 The map shows the link between the node and the gateways which received the packets. The lines color indicates the SNR

UPDATE 2 Now there is a detailed view for nodes.

UPDATE 3 Layers for Gateways, Nodes and Links can be disabled. You can choose between three different map layers: OpenStreetMap, OpenTopoMap, Toner Lite