NavCom StarUtil-3000 Rev.A - Manual (Page 105)

StarUtil-3000 User Guide – Rev A
MEAS1B Tab
The MEAS1B output stream contains raw measurement data collected from the receiver’s
tracking channels. Raw measurements can be post-processed to achieve precise point
positions. Refer to
Chapter 11 Post Processing/Data Parsing .

Refer to the Sapphire Technical Reference Manual for detailed information on the
[MEAS1B] output stream (see Related Documents in the fore-matter).

Data is not displayed on this tab if [MEAS1B] is not scheduled. If it is not
scheduled, the user may click the Refresh button to poll for data. Clicking
the Refresh button on one window refreshes all the windows on the tab.
Figure 125: MEAS1B Tab
 Click the Meas1B option on the Detailed Views menu to open the MEAS1B tab (see
Figure 125).
Description of Data

Doppler consists of the coarse Doppler from the satellite block adjusted by the
delta Doppler in each of the associated signal blocks. To generate the true
Doppler, add the coarse Doppler to the delta Doppler. Refer to the Sapphire
Technical Reference manual (see Related Documents in the fore-matter).
GPS/SBAS
 PRN: The satellite number assigned to each channel.
 GPS: The valid range is 1-32. (The receiver allocates the range of 1-37, with 33-37
reserved for expansion.)
 SBAS: The valid range is 120-138.

CA (m): Coarse / Acquisition code. The number of meters (range measurement) to the
satellite.
9-103