diff --git a/emlid/reachview/configuration_model.go b/emlid/reachview/configuration_model.go
index 1fd72ca..b6650c7 100644
--- a/emlid/reachview/configuration_model.go
+++ b/emlid/reachview/configuration_model.go
@@ -14,26 +14,26 @@ type Configuration struct {
 
 // RTKSettings -
 type RTKSettings struct {
-	GLONASSARMode             string               `mapstructure:"glonass ar mode"`
-	UpdateRate                string               `mapstructure:"update rate"`
-	ElevationMaskAngle        string               `mapstructure:"elevation mask angle"`
-	MaxHorizontalAcceleration string               `mapstructure:"max horizontal acceleration"`
-	SNRMask                   string               `mapstructure:"snr mask"`
-	GPSARMode                 string               `mapstructure:"gps ar mode"`
-	PositionningMode          string               `mapstructure:"positioning mode"`
+	GLONASSARMode             *string              `mapstructure:"glonass ar mode,omitempty"`
+	UpdateRate                *string              `mapstructure:"update rate,omitempty"`
+	ElevationMaskAngle        *string              `mapstructure:"elevation mask angle,omitempty"`
+	MaxHorizontalAcceleration *string              `mapstructure:"max horizontal acceleration,omitempty"`
+	SNRMask                   *string              `mapstructure:"snr mask,omitempty"`
+	GPSARMode                 *string              `mapstructure:"gps ar mode,omitempty"`
+	PositionningMode          *string              `mapstructure:"positioning mode,omitempty"`
 	PositioningSystems        *PositionningSystems `mapstructure:"positioning systems,omitempty"`
-	MaxVerticalAcceleration   string               `mapstructure:"max vertical acceleration"`
+	MaxVerticalAcceleration   *string              `mapstructure:"max vertical acceleration,omitempty"`
 }
 
 // PositionningSystems -
 type PositionningSystems struct {
-	GLONASS bool `mapstructure:"glonass"`
-	SBAS    bool `mapstructure:"sbas"`
-	QZS     bool `mapstructure:"qzs"`
-	QZSS    bool `mapstructure:"qzss"`
-	Compass bool `mapstructure:"compass"`
-	Galileo bool `mapstructure:"galileo"`
-	GPS     bool `mapstructure:"gps"`
+	GLONASS *bool `mapstructure:"glonass,omitempty"`
+	SBAS    *bool `mapstructure:"sbas,omitempty"`
+	QZS     *bool `mapstructure:"qzs,omitempty"`
+	QZSS    *bool `mapstructure:"qzss,omitempty"`
+	Compass *bool `mapstructure:"compass,omitempty"`
+	Galileo *bool `mapstructure:"galileo,omitempty"`
+	GPS     *bool `mapstructure:"gps,omitempty"`
 }
 
 // CorrectionInput -
@@ -44,16 +44,16 @@ type CorrectionInput struct {
 
 // Input -
 type Input struct {
-	Path    string `mapstructure:"path"`
-	Type    string `mapstructure:"type"`
-	Enabled bool   `mapstructure:"enabled"`
-	Format  string `mapstructure:"format"`
+	Path    *string `mapstructure:"path,omitempty"`
+	Type    *string `mapstructure:"type,omitempty"`
+	Enabled *bool   `mapstructure:"enabled,omitempty"`
+	Format  *string `mapstructure:"format,omitempty"`
 }
 
 // Input2 -
 type Input2 struct {
 	Input              `mapstructure:",squash"`
-	SendPositionToBase string `mapstructure:"send position to base"`
+	SendPositionToBase *string `mapstructure:"send position to base,omitempty"`
 }
 
 // Input3 -
@@ -71,10 +71,10 @@ type PositionOutput struct {
 
 // Output -
 type Output struct {
-	Path    string `mapstructure:"path"`
-	Type    string `mapstructure:"type"`
-	Enabled bool   `mapstructure:"enabled"`
-	Format  string `mapstructure:"format"`
+	Path    *string `mapstructure:"path,omitempty"`
+	Type    *string `mapstructure:"type,omitempty"`
+	Enabled *bool   `mapstructure:"enabled,omitempty"`
+	Format  *string `mapstructure:"format,omitempty"`
 }
 
 // BaseMode -
@@ -86,18 +86,18 @@ type BaseMode struct {
 
 // BaseCoordinates -
 type BaseCoordinates struct {
-	Format        string         `mapstructure:"format"`
+	Format        *string        `mapstructure:"format,omitempty"`
 	AntennaOffset *AntennaOffset `mapstructure:"antenna offset,omitempty"`
-	Accumulation  string         `mapstructure:"accumulation"`
-	Coordinates   []string       `mapstructure:"coordinates"`
-	Mode          string         `mapstructure:"mode"`
+	Accumulation  *string        `mapstructure:"accumulation,omitempty"`
+	Coordinates   *[]string      `mapstructure:"coordinates,omitempty"`
+	Mode          *string        `mapstructure:"mode,omitempty"`
 }
 
 // AntennaOffset -
 type AntennaOffset struct {
-	East  string `mapstructure:"east"`
-	North string `mapstructure:"north"`
-	Up    string `mapstructure:"up"`
+	East  *string `mapstructure:"east,omitempty"`
+	North *string `mapstructure:"north,omitempty"`
+	Up    *string `mapstructure:"up,omitempty"`
 }
 
 // RTCM3Messages -
@@ -137,28 +137,28 @@ type Logging struct {
 	Solution   *LoggingService `mapstructure:"solution,omitempty"`
 	Raw        *LoggingService `mapstructure:"raw,omitempty"`
 	Base       *LoggingService `mapstructure:"base,omitempty"`
-	Overwrite  bool            `mapstructure:"overwrite"`
+	Overwrite  *bool           `mapstructure:"overwrite,omitempty"`
 }
 
 // LoggingService -
 type LoggingService struct {
-	Started bool   `mapstructure:"started"`
-	Version string `mapstructure:"version"`
-	Format  string `mapstructure:"format"`
+	Started *bool   `mapstructure:"started,omitempty"`
+	Version *string `mapstructure:"version,omitempty"`
+	Format  *string `mapstructure:"format,omitempty"`
 }
 
 // Bluetooth -
 type Bluetooth struct {
-	Enabled      bool `mapstructure:"enabled"`
-	Discoverable bool `mapstructure:"discoverable"`
-	Pin          int  `mapstructure:"pin"`
+	Enabled      *bool `mapstructure:"enabled,omitempty"`
+	Discoverable *bool `mapstructure:"discoverable,omitempty"`
+	Pin          *int  `mapstructure:"pin,omitempty"`
 }
 
 // LoRa -
 type LoRa struct {
-	AirRate     float64 `mapstructure:"air rate"`
-	Frequency   int     `mapstructure:"frequency"`
-	OutputPower int     `mapstructure:"output power"`
+	AirRate     *string  `mapstructure:"air rate,omitempty"`
+	Frequency   *float64 `mapstructure:"frequency,omitempty"`
+	OutputPower *string  `mapstructure:"output power,omitempty"`
 }
 
 // Constraints -
@@ -173,6 +173,6 @@ type LoRaConstraints struct {
 
 // LoRaFrequencyRange -
 type LoRaFrequencyRange struct {
-	Min int `mapstructure:"min"`
-	Max int `mapstructure:"max"`
+	Min *int `mapstructure:"min,omitempty"`
+	Max *int `mapstructure:"max,omitempty"`
 }