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Re: [Paparazzi-devel] UBLOX MAX-6Q and LEA-5H GPS Modules comparison

From: Tilman Baumann
Subject: Re: [Paparazzi-devel] UBLOX MAX-6Q and LEA-5H GPS Modules comparison
Date: Mon, 30 Apr 2012 10:22:48 +0100
User-agent: Mozilla/5.0 (X11; Linux i686; rv:12.0) Gecko/20120420 Thunderbird/12.0

On 30/04/12 08:31, Jeremy Reinertsen wrote:
Hi Chris,

I purchased a MAX-6Q from CSGShop and got it working yesterday. Pin assignment viewing the board from the GPS module side is as follows:

1. SCL      2. SDA
3. TXD     4. RXD
5.GND     6. PWR (5V)

Here graphically:

For the backup battery I am using a 364 size 1.55V watch battery.

I asked CSG that. They responded:
Battery type lithium coin cell CR1225 for backup.

I have the GPS working with u-center via a FTDI TTL-232R-3V3 cable and am now ready to connect it to my TWOG. The MAX-6 GPS doesn't have flash memory to store its configuration settings so I think I will need to use the gps_ubx_ucenter module to configure it at start-up.

Works just fine with that. I'm using this module right now.
Newer flew it, bit after a few minutes it even gets a fix indoors.


----- Original Message ----- From: "Chris Wozny" <address@hidden>
To: <address@hidden>
Sent: Monday, April 30, 2012 1:24 PM
Subject: Re: [Paparazzi-devel] UBLOX MAX-6Q and LEA-5H GPS Modules comparison


Where did you get a copy of the data sheet? I'm trying to solder up
the connections for the MAX-6Q from CSGShop and I noticed there is no
data sheet on his webpage nor any text on the PCB board.


On Tue, Apr 10, 2012 at 6:38 AM, Tilman Baumann <address@hidden> wrote:

I was quite impressed with the UBLOX MAX-6Q module when I found it and
bought one from
I especially liked the nice wire terminals that I can easily solder.

I also have the familiar UBLOX LEA-5H helical antenna module (sparkfun).
Naively I expected that the MAX-6 will be better. But is that actually true? Does anyone here have some experience? Or is there something that makes LEA
somehow better for our application?

I will just hook up the MAX-6 and I'm pretty sure it will fly. But if there is a good reason why I should not do that, I thought I better ask before I
do it. :)

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