A55v Assisted GPS (aGPS) Updater Software (for Windows only)

Started Dec 16, 2010 | Discussions thread
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DanielNTX
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A55v Assisted GPS (aGPS) Updater Software (for Windows only)
Dec 16, 2010

I created an aGPS updater for the A55v for those who don't want to use the Sony Picture Motion Browser (PMB) software. It's only task is to pull the assistme.dat file down from the Sony servers to your SD Card so that the A55v can lock on to the GPS satellites much quicker.

More info:
http://en.wikipedia.org/wiki/Assisted_GPS
A55v manual info for SHORTEINING GPS ACQUISITION TIMES:

Page 139 of the manual says:

SHORTENING THE TIME NEEDED FOR THE GPS TO ACQUIRE LOCATION INFORMATION (GPS ASSIST DATA)

The time for the GPS acquiring location information can be shortened by taking in GPS assist data.

If the camera connects to the computer that the supplied "PMB" software has been installed, the GPS assist data can be updated automatically.

To check the state of GPS assist data

MENU button -> (Tool Symbol) 1 -> [GPS Settings] -> [Use GPS Assist Data]

To delete GPS assist data

MENU button -> (Tool Symbol) 1 -> [GPS Settings] -> [Delete GPS Ass. Data]

Notes

  • The computer is required to connect to the Internet when updating data.

  • If the term of validity of assist data has run out, the time until you can record location information cannot be shortened. It is recommended you update the assist data regularly. The expiration date of the assist data is about 30 days.

  • If [Date/Time Setup] is not set, or set time is shifted greatly, the time for the GPS acquiring location information cannot be shortened.

  • The assist data service may be closed for various reasons.

To update the GPS assist data by inserting a memory card into the computer

Start up [GPS Support Tool] from (PMB Launcher), select the memory card drive from your computer, and then update the GPS assist data. Insert the memory card that has been update into the camera.

Standard software disclaimer:

THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED.

The download is here: http://www.box.net/shared/jtujepyp7s

Un-zip the Sony_GPS.zip file and put it in the root of your SD Card (i.e., for example E:\). Anytime you want update the aGPS data double click the Sony_GPS.exe on your SD Card from Windows Explorer and it will download the assistme.dat file from Sony and automatically place it in the PRIVATE\SONY\GPS folder of the SD Card. Use this executable when you are transferring pictures to your computer and your aGPS data will be good for 30 days.

Original thread: http://forums.dpreview.com/forums/message.asp?forum=1037&parent=37156532&thread=37153876"e=1

Original idea came from: http://blog.brixandersen.dk/?p=153 (OS X perl script available at this link)

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