Add HAL doc to clarify ISB sign
Bug: 162508535
Test: doc only
Change-Id: I8b79a153ebcd577dbbfc64b1c4dd6d7e621977a1
diff --git a/gnss/2.1/IGnssMeasurementCallback.hal b/gnss/2.1/IGnssMeasurementCallback.hal
index 60a5423..beef4fd 100644
--- a/gnss/2.1/IGnssMeasurementCallback.hal
+++ b/gnss/2.1/IGnssMeasurementCallback.hal
@@ -103,6 +103,9 @@
*
* The value does not include the inter-frequency Ionospheric bias.
*
+ * The sign of the value is defined by the following equation:
+ * corrected pseudorange = raw pseudorange - fullInterSignalBias
+ *
* The full ISB of GnssClock.referenceSignalTypeForIsb is defined to be 0.0 nanoseconds.
*/
double fullInterSignalBiasNs;
@@ -127,6 +130,9 @@
* - Satellite inter-code bias (e.g., Differential Code Bias (DCB)) (with respect to the
* code type in GnssClock.referenceSignalTypeForIsb)
*
+ * The sign of the value is defined by the following equation:
+ * corrected pseudorange = raw pseudorange - satelliteInterSignalBias
+ *
* The satellite ISB of GnssClock.referenceSignalTypeForIsb is defined to be 0.0
* nanoseconds.
*/