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Old May 14, 2014, 03:19 AM
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Joined Apr 2014
90 Posts
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UBlox NEO-7M

It seems that there is a new GPS out there, Ublox NEO-7M which is an evolution of the NEO-6M. It can use multiple positionning systems together (GPS, Glonass, Galileo...) and has a 10 Hz refresh rate.

Did anyone had the chance to try it on APM?

Source :

http://www.thanksbuyer.com/ublox-neo...ntroller-27510

http://www.thanksbuyer.com/ublox-neo...e-neo-6m-27557

Specs :

Receiver type
56-channel u-blox 7 engine
GPS L1 C/A, GLONASS L1 FDMA
QZSS L1 C/A
Galileo E1B/C
SBAS: WAAS, EGNOS, MSAS
Navigation update rate up to 10 Hz
Accuracy GPS / GLONASS
Position 2.5 m CEP / 4.0 m
SBAS 2.0 m CEP / n.a.
Acquisition GPS / GLONASS
Cold starts: 29 s / 30 s
Aided starts: 5 s / n.a.
Reaquisition: 1 s / 3 s
Sensitivity GPS / GLONASS
Tracking: –162 dBm / –158 dBm
Cold starts: –148 dBm / –140 dBm
Warm starts: –148 dBm / –145 dBm

Assistance
AssistNow Online
AssistNow Offline
AssistNow Autonomous
OMA SUPL & 3GPP compliant
Oscillator: TCXO (NEO-7N), crystal (NEO-7M)
RTC crystal: built-in
Anti jamming: active CW detection and removal
Memory: ROM (NEO-7M) or Flash (NEO-7N)
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Old Jul 16, 2014, 09:08 PM
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Joined Jan 2014
6 Posts
I have it installed right now, not sure what's up with the compass tho, it has a constant deviation of 15 west. Not sure either if i done the compass setup and calibration correctly, so might be my fault entirely.

Apart from a extremely fast gps fix, I do not experience a big difference to my MTK3329 yet(I replaced my mtk3329 with this GPS).

DOP is still 1.2 or lower.

I've not set anything up yet so again it might just be dumb luck that i got my drone to work with this GPS.

this is how mine looks like with that NEO7M GPS attached to my 3DR APM2.6
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Old Jul 19, 2014, 04:52 AM
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Joined Dec 2008
2 Posts
Installed today tested ok with apm2.6. max sats 12 hdop 0.7 under roof. seems very good before this neo 6m can't go lower than 1.4 hdop.
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Old Aug 27, 2014, 02:14 PM
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Germany
Joined Sep 2009
724 Posts
There is also a NEO-7n.

Which is the better one?
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Old Sep 20, 2014, 01:21 PM
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Turkey, Istanbul
Joined Oct 2012
403 Posts
http://www.u-blox.com/en/gps-modules...les/neo-7.html

The NEO-7M is optimized for cost sensitive applications, while NEO-7N provides best performance and easier RF integration.
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