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Document title: Document No. SF PRC Rate UDRE IODE Verify QC v1.12B User Manual AB-V-MA-00585 This is the scale factor as a code which could be either 0 or 1: 0 = scale factor for pseudo range correction is better than 0.02 meter and for range rate correction is 0.002 meter/second 1 = scale factor for pseudo range correction is better than 0.32 meter and for range rate correction is 0.032 meter/second PRC is the Pseudo Range Correction as observed on the L1 pseudo-range at the reference station This is the rate of change, in meters, of the pseudo-range corrections User Differential Range Error. An estimate of the performance of the satellites pseudo-range as measured at the reference station in meters. This number is provided as part of the RTCM Type 1 messages in the form of a binary code 0 to 3: 0: ≤ 1 meter at 1 sigma 1: > 1 meter and ≤ 4 meter at 1 sigma 2: > 4 meter and ≤ 8 meter at 1 sigma 3: > 8 meter at 1 sigma Data Ephemeris identifies the set of ephemeris parameters. Gives the user a means of detecting change The PPP Ref position table displays the GPS week, day and time and the geographical WGS84 coordinates for the Apex or Ultra solution. The table also includes the height above the Geoid model selected by the user in Config/Calculation/Settings and the separation value from this Geoid model. The column to the right shows the standard deviation of the individual coordinate components. The rows underneath show the latency of the last received Apex / Ultra corrections, the Unit variance, Semi-Major and PDOP of the calculated PPP Position and its calculation mode. Rev No: Date: A 06.05.2015 Page 96 Verify QC v1.12B User Manual