background image

 

14 

 

log com3 rtcm1104b ontime 1         

com2 output EXTENDED Beidou RTK B1/B2/B3 

log com3 rtcm1012b ontime 1         

com2 output EXTENDED GLONASS RTK L1/L2 

log com3 rtcm1005b ontime 5   Base station coordinates  

Log  com3  rtcm1033b  ontime 
10 

Receiver description 

saveconfig 

Save  the  current  setting  to  the  receiver,  next  time  when 
receiver is power on those setting will activate 

 
 
 
 
 
 
To set a receiver as a base station for example, you my use DC1 to connect with PC, use DC3 to 
output  RTCM  V3,  and  send  the  following  command  to  request  GPS,  Beidou  and  GLONASS  (if 
available) RTK observations: 

 

unlogall 
fix auto 
log com3 rtcm1004b ontime 1        % GPS RTK observations 
log com3 rtcm1104b ontime 1        % Beidou RTK observations 
log com3 rtcm1012b ontime 1        % GLONASS RTK observations (if available) 
log com3 rtcm1005b ontime 5        % Base station coordinates 
log com3 rtcm1033b ontime 10      % Receiver description 

com com3 38400                  % change the DC3 linkrate to match the external transmit radio 
saveconfig 

 

 

4.2 Rover configuration 

The internal radio is connected to COM2 of OEM board, if M300 receive the correction data, It will go to 
the differential mode automatically.   

4.2.1 Set Rover to differential mode 

 
If M300 is connected with external device, such as external radio and Ntrip bridge. 
Send the following command; 

Tips:

  There  are  3  types  of  GNSS  RTK  observations  according  to  constellation  system,  GPS 

(RTCM1004),  Beidou  (RTCM1104)  and  Glonass  (RTCM1012).  Send  different  commands 
according to constellations. 

 

Tips:

  If  you  want  to  start  the  base  station  on  known  points  (such  as  31.123  N  degree, 

123.456E, 45 Height), please fix the base station coordinates by using the command. 

 

fix position 31.123 121.456 45 

Содержание SinoGNSS M300 Mini(G)

Страница 1: ...M300 GNSS Receiver Quick Tour 2012 2014 ComNav Technology Ltd all rights reserved www comnavtech com...

Страница 2: ...o in this document may be either trademarks and or registered trademarks of the respective owners The publisher and the author make no claim to these trademarks While every precaution has been taken i...

Страница 3: ...recording set up 4 3 2 2 Get correction message from Radio or Ntrip 6 3 2 2 1 Get correction message from Ntrip 6 3 3 Main information check 8 3 3 1 Satellites information and global map view 8 3 3 2...

Страница 4: ...lution type 15 4 3 Change the serial port baud rate 15 4 4 Satellites constellation system configuration 16 4 5 log raw data of GNSS observations 16 4 6 Update the OEM Card 17 4 7 Update radio firmwar...

Страница 5: ...er 1 2 A C adapter 1 3 Data cable 1 From PC to receiver RS232 to 7 pin cable 4 GNSS antenna 1 5 GNSS antenna cable 1 6 Radio antenna 1 Some special application case special antenna supplied 1 2 M300 e...

Страница 6: ...ng correction message In the raw data recording mode data recorded in the memory of receiver this LED will also flash according to sampling interval TNC GNSS antenna connector TNC UHF antenna connecto...

Страница 7: ...C with Windows XP or Windows 7 operating system on it Compass Receiver Utility is available on the webpage http www comnavtech com download asp bigclassid 28 3 1 Connected with GNSS receiver You can u...

Страница 8: ...lect the function such as data download convert to Rinex data Main window show the information such as PVT view SV sky plot view and hyper terminal 3 2 Receiver configuration 3 2 1 Raw data recording...

Страница 9: ...5 Local log log the raw data to local PC the file name will be auto named and stored in the current folder path In this mode you can define the raw data message type as shown below...

Страница 10: ...p or PC can use internet Go to there are two protocols to receive the correction data internet TCP direct and Ntrip mode If the protocol is TCP direct mode input the IP address and port and click Conn...

Страница 11: ...User name and Password at last click OK 3 2 3 Work mode configuration To change the work mode Base station or Rover you can edit the command package and sent to the receiver For example if you want to...

Страница 12: ...tarting base station use DC3 link with external radio and set the external radio interface baud rate as 38400 bps to match with the correction message 3 3 Main information check 3 3 1 Satellites infor...

Страница 13: ...w the current position on the global map 3 3 2 RTK status indication After the receiver receives correction message the receiver will calculate the ambiguity and turn to differential mode Position mod...

Страница 14: ...memory of receiver or PC Download the data from memory of receiver if you go to the files list will appear in the Main window You can modify the raw data such as station name antenna height After sel...

Страница 15: ...raw data to the project folder then you can convert it to Rinex format Click in the function bar you will see the raw data in current project Go to the shortcut bar define the Rinex version and expor...

Страница 16: ...12 3 5 Sending command to Receiver In the shortcut men go to in this page you can send ASIC command to receiver...

Страница 17: ...h com3 will not respond interfacemode com3 compass compass on Set com3 not to detect correction message and receiver will turn differential mode to autonomous mode and then COM3 can accept all the OEM...

Страница 18: ...NASS RTK observations if available log com3 rtcm1005b ontime 5 Base station coordinates log com3 rtcm1033b ontime 10 Receiver description com com3 38400 change the DC3 linkrate to match the external t...

Страница 19: ...ommand to output GPGGA information to check the solution type log port gpgga ontime frequency Frequency description 1 1 HZ 2 1 output every 2 seconds 0 2 5 HZ For example GPGGA 1 2 3 4 5 6 7 8 9 M 10...

Страница 20: ...ystem 4 5 Log raw data of GNSS observations Raw data request command The ephemeris requests two different formats you can use either of them ComNav Raw data Request command ephemeris in ComNav format...

Страница 21: ...el measurements for the currently tracked satellites 2 The MAX out frequency is 20 Hz Normally we use 10HZ 5HZ 2HZ and 1HZ corresponding commands are 0 1 0 2 0 5 and 1 After sending those commands the...

Страница 22: ...18 Click update the programme bar will make progress This will take a few seconds...

Страница 23: ...irmware from ComNav website use the data cable link with DC3 of M300 to update update OEM firmware use DC1 Open the update file exe go to App Link Setup select the right serial port of your PC then cl...

Страница 24: ...in definition of M300 Last review by Simon 2014 06 08 Any feedback please send email to Support comnavtech com 7 pin Lemo Description 1 Signal GND 2 GND 3 TX data out TXD 4 NONE 5 NONE 6 Power In 7 Se...

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