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Questions tagged [gnss]

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55 questions
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4 votes
1 answer
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I'm not sure if this is the right place to post this, but I'm dealing with PPS (pulse per second) signals at the end of the day. I am working with multiple GNSS receivers (from different manufacturers,...
louisbzk's user avatar
  • 49
-1 votes
1 answer
143 views

I'm trying to find a proper datasheet with a reference schematic for the Sony CXD5605 or CXD5610 GNSS IC. They don't have anything published on their website.
Tharindu Suraj's user avatar
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0 votes
0 answers
121 views

I'm using the ATGM336H-5N31 GPS module and wondering if it's compatible with Galileo satellites. The User Manual (LINK) does mention Galileo, but only in regards to the AT6558 - GNSS SOC, which the ...
Ivan Anonimni's user avatar
  • 1
0 votes
2 answers
133 views

I have two receivers + antennas pairs where I collect data from. So, each receiver outputs one RINEX file where I can look at the epoch-by-epoch measurements of pseudorange, carrier and doppler. Why ...
Myron Phan's user avatar
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1 vote
0 answers
142 views

I'm working on my first RF PCB, for GPS/ GNSS and am particularly concerned about Noise/ Interference. Hopefully someone can shed some light, or point me toward a similar thread? It's worth noting ...
MightyBenster's user avatar
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2 votes
2 answers
846 views

I am trying to take two drones in an open field and have them know precise and accurate relative positioning of each other. I don't need them to actually know where they are. My plan is to use some ...
wandy rge's user avatar
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0 votes
0 answers
564 views

I'm designing a GNSS receiver that I'd like to be compatible with a variety of different active antennas. What antenna voltages are possible, and is there any (unofficial) standardization of this? I'...
MattHusz's user avatar
  • 1,181
1 vote
1 answer
236 views

The ZED-F9T, and presumably other u-blox GNSS receivers, can power an active antenna with a VCC_RF pin. The VCC_RF voltage is specified as being essentially the same as the module voltage (VCC) (...
MattHusz's user avatar
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1 vote
0 answers
79 views

Context: CEP is defined as the radius of a circle, centered on the mean, whose perimeter is expected to include the landing points of 50% of the rounds (Wikipedia.) According to the Teseo's datasheet, ...
Airlangga Fidiyanto's user avatar
  • 121
1 vote
1 answer
234 views

I have a microcontroller board Datagnss Tiny EVK with an integrated chip TAU1302 (Allystar). I can get a fix with expensive Tallysman antennas in a rural area, with over 30 satellites and SNRs ...
Ksenia Semenova's user avatar
  • 11
2 votes
2 answers
341 views

I am designing an IoT device. In first version, I forgot to put the LC filters as in the datasheet. I found it after I get the prototyping board on my hands, but I thought it would be fine without ...
PCBCrew Engineer's user avatar
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0 votes
1 answer
277 views

Is it better to connect to VBAT or to VDD_EXT in the SIM868 module to supply the active GPS antenna voltage?
feri's user avatar
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0 votes
2 answers
363 views

We are developing a GPS+LTE project based on the LE910S1-EAG module. We use a GPS LNA NJG1159PHH and an ACAG0301-1575 GPS antenna. In this module GNSS_LNA_EN is left open and GNSS_ANT_RF_OUT is ...
nirmal mathew's user avatar
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0 votes
1 answer
233 views

I am designing my own pcb board based on a Sodaq One V3 (I built my prototype with a Sodaq One V3 and a MAX30102) and I am currently integrating both devices in KiCAD but I have a doubt with the GPS ...
imt_blake's user avatar
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0 answers
77 views

Some GPS modules have only one antenna, but some of them have two and more. For what? Are they made for different frequencies and ranges?
HeatherAle's user avatar
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