DOP is dimensionless. Who knew?!

Author: PaulZC

examples/Example13_PVT/Example1_AutoPVT/Example1_AutoPVT.ino

@@ -78,7 +78,7 @@ void loop()
     int PDOP = myGPS.getPDOP();
     Serial.print(F(" PDOP: "));
     Serial.print(PDOP);
-    Serial.print(F(" (m * 10^-2)"));    
+    Serial.print(F(" (10^-2)"));    
 
     Serial.println();
   } else {

examples/Series_6_7/Example1_GetPositionAndTime_Series_6_7/SparkFun_Ublox_Arduino_Library_Series_6_7.cpp

@@ -3119,7 +3119,7 @@ int32_t SFE_UBLOX_GPS::getHeading(uint16_t maxWait)
   return (headingOfMotion);
 }
 
-//Get the positional dillution of precision * 10^-2
+//Get the positional dillution of precision * 10^-2 (dimensionless)
 uint16_t SFE_UBLOX_GPS::getPDOP(uint16_t maxWait)
 {
   if (moduleQueried.pDOP == false)

examples/Series_6_7/Example1_GetPositionAndTime_Series_6_7/SparkFun_Ublox_Arduino_Library_Series_6_7.h

@@ -559,7 +559,7 @@ class SFE_UBLOX_GPS
 	uint8_t getCarrierSolutionType(uint16_t maxWait = getPVTmaxWait); //Returns RTK solution: 0=no, 1=float solution, 2=fixed solution
 	int32_t getGroundSpeed(uint16_t maxWait = getPVTmaxWait);		  //Returns speed in mm/s
 	int32_t getHeading(uint16_t maxWait = getPVTmaxWait);			  //Returns heading in degrees * 10^-7
-	uint16_t getPDOP(uint16_t maxWait = getPVTmaxWait);				  //Returns positional dillution of precision * 10^-2
+	uint16_t getPDOP(uint16_t maxWait = getPVTmaxWait);				  //Returns positional dillution of precision * 10^-2 (dimensionless)
 	uint16_t getYear(uint16_t maxWait = getPVTmaxWait);
 	uint8_t getMonth(uint16_t maxWait = getPVTmaxWait);
 	uint8_t getDay(uint16_t maxWait = getPVTmaxWait);
@@ -723,7 +723,7 @@ class SFE_UBLOX_GPS
 	uint8_t carrierSolution; //Tells us when we have an RTK float/fixed solution
 	int32_t groundSpeed;	 //mm/s
 	int32_t headingOfMotion; //degrees * 10^-5
-	uint16_t pDOP;			 //Positional dilution of precision
+	uint16_t pDOP;			 //Positional dilution of precision * 10^-2 (dimensionless)
 	uint8_t versionLow;		 //Loaded from getProtocolVersion().
 	uint8_t versionHigh;
 

src/SparkFun_Ublox_Arduino_Library.cpp

@@ -3143,7 +3143,7 @@ int32_t SFE_UBLOX_GPS::getHeading(uint16_t maxWait)
   return (headingOfMotion);
 }
 
-//Get the positional dillution of precision * 10^-2
+//Get the positional dillution of precision * 10^-2 (dimensionless)
 uint16_t SFE_UBLOX_GPS::getPDOP(uint16_t maxWait)
 {
   if (moduleQueried.pDOP == false)

src/SparkFun_Ublox_Arduino_Library.h

@@ -551,7 +551,7 @@ class SFE_UBLOX_GPS
 	uint8_t getCarrierSolutionType(uint16_t maxWait = getPVTmaxWait); //Returns RTK solution: 0=no, 1=float solution, 2=fixed solution
 	int32_t getGroundSpeed(uint16_t maxWait = getPVTmaxWait);		  //Returns speed in mm/s
 	int32_t getHeading(uint16_t maxWait = getPVTmaxWait);			  //Returns heading in degrees * 10^-5
-	uint16_t getPDOP(uint16_t maxWait = getPVTmaxWait);				  //Returns positional dillution of precision m * 10^-2
+	uint16_t getPDOP(uint16_t maxWait = getPVTmaxWait);				  //Returns positional dillution of precision * 10^-2 (dimensionless)
 	uint16_t getYear(uint16_t maxWait = getPVTmaxWait);
 	uint8_t getMonth(uint16_t maxWait = getPVTmaxWait);
 	uint8_t getDay(uint16_t maxWait = getPVTmaxWait);
@@ -721,7 +721,7 @@ class SFE_UBLOX_GPS
 	uint8_t carrierSolution; //Tells us when we have an RTK float/fixed solution
 	int32_t groundSpeed;	 //mm/s
 	int32_t headingOfMotion; //degrees * 10^-5
-	uint16_t pDOP;			 //Positional dilution of precision
+	uint16_t pDOP;			 //Positional dilution of precision * 10^-2 (dimensionless)
 	uint8_t versionLow;		 //Loaded from getProtocolVersion().
 	uint8_t versionHigh;