feat: use /configuration/device and replice reachview system to define

antenna height

See Pyxis/fieldnotes#63 (comment)

reach/client/protocol/v1/operations.go

@@ -297,6 +297,52 @@ func (o *Operations) SetBase(ctx context.Context, funcs ...protocol.SetBaseOptio
 	return nil
 }
 
+// GetBaseInfo implements protocol.Operations.
+func (o *Operations) GetBaseInfo(ctx context.Context) (*protocol.BaseInfo, error) {
+	rawConfig, err := o.Configuration(ctx)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	config := rawConfig.(*model.Configuration)
+	baseMode := config.BaseMode
+
+	var baseCoordinates *model.BaseCoordinates
+	if baseMode != nil && baseMode.BaseCoordinates != nil {
+		baseCoordinates = baseMode.BaseCoordinates
+	}
+
+	antennaOffset, err := strconv.ParseFloat(*baseCoordinates.AntennaOffset.Up, 64)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	latitude, err := strconv.ParseFloat(*baseCoordinates.Coordinates[0], 64)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	longitude, err := strconv.ParseFloat(*baseCoordinates.Coordinates[1], 64)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	height, err := strconv.ParseFloat(*baseCoordinates.Coordinates[2], 64)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	baseInfo := &protocol.BaseInfo{
+		Mode:          *config.BaseMode.BaseCoordinates.Mode,
+		AntennaOffset: antennaOffset,
+		Height:        height,
+		Latitude:      latitude,
+		Longitude:     longitude,
+	}
+
+	return baseInfo, nil
+}
+
 const (
 	eventGetReachViewVersion     = "get reachview version"
 	eventReachViewVersionResults = "current reachview version"