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 [TOPIC] Visiontac VGPS-900 - Logger with voice
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80 Posts

Posted - 23 oct. 2008 :  21:52:27  Show Profile  Reply with Quote
Edited by gpspassion 20090501
TOPIC - Visiontac VGPS-900
Voice Tagging - MicroSD Slot - MTK Chipset - Compatible with BT747 Software

On the Christmas Market in Strasbourg, France

Available at Semsons : >> LINK <<

Updated 05/2009 : using mderweed's BT747 (development version) to create a google map with clickable voice tags :

Main features:

  • 51ch. MTK chipset with enhanced positioning system technology (up to 1.5m accuracy with DGPS support)
  • MicroSD Slot with support up to 2GB capacity (about 25,000,000 waypoints, more than 2 years)
  • Voice-Tag function with built-in microphone allows adding live voice labels to any waypoint
  • Push-To-Log (POI anchor key) enables you highlighting a POI at any time
  • Unique SPY mode allows continuous standby logging of more than one month
  • Smart operating lights and prompt sounds
  • Auto ON/OFF function with car cable
  • Built-in high capacity battery for up to 24 hours of operation
  • User-defined speed alarm
  • Slim design with impact resistant polycarbonate and stainless steel
  • Time Album software supports Windows, Mac and Linux
  • Built-in Bluetooth supports SPP profile

GPS Specification:
  • Chipset: 51ch. MTK with WAAS/EGNOS/MSAS support
  • Sensitivity: -159dBm
  • TTFF (Hot/Warm/Cold): 1/38/42 sec.
  • Non DGPS Accuracy: 3m/CEP (50%); 5m/CEP (95%)
  • DGPS Accuracy (w/ EPS technology): 1.5m/CEP (30-50%); 2.5m/CEP (95%)
  • Altitude Limit: 18,000m (60.000 ft)
  • Velocity Limit: 515m (1,000 knots)
  • Protocol: NMEA V3.01
  • Baud Rate: 38,400
  • Update Frequency: 1Hz
  • Output Format: GGA, GSA, RMC, GSV
  • Bluetooth: V1.1/1.2/2.0 Compliant, class 2, SPP
  • Standard Log Mode: Date, Time, Latitude, Longitude, Altitude, Speed, Heading, and Voice
  • Professional Log Mode: Date, Time, Latitude, Longitude, Altitude, Speed, Heading, Fix Mode, PDOP, HDOP, VDOP and Voice
  • Recording Format: CSV
  • Voice Record Spec: WAV, 48 kbps
  • Storage: microSD with support up to 2GB capacity and FAT 16 file system
  • Supported Platform: Windows, Mac OS, Linux

I've found it only at semsons yet (link:
Placed an order, of course. Still waiting. Will post my first impressions as soon as I try it.

Edited by - iks on 23 oct. 2008 21:58:10



94687 Posts

Posted - 23 oct. 2008 :  22:48:23  Show Profile  Visit gpspassion's Homepage  Reply with Quote
Thanks for sharing. This looks like a very interesting device indeed. I suppose the voice tags will be geotagged and saved to microSD card. That could really nice to take notes as you go.

Keep us posted !

Discounts and Assistance/Réductions et Assistance (Club GpsPasSion) / Où commencer?
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9 Posts

Posted - 26 oct. 2008 :  14:16:48  Show Profile  Reply with Quote
I have used the Delorme Blue Logger and over time had multiple problems with the Bluetooth connection and setting the logging parameters. I do not see an usb connection, which is unfortunate, so I assume it is strictly Bluetooth. I would be interested in seeing your comments about logging to the SD card as this would probably allow download via card reader. Would also be interested in what file format the tracks are logged. Right now there is a pretty hefty discount on the site you mentioned.
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80 Posts

Posted - 29 oct. 2008 :  23:26:30  Show Profile  Reply with Quote
Finally I've got it! Serial No is 00335, and driver CD was prepared by the manyfacturer just 10 days before I bought it :-)

Here are my very first notes:
- device is really thin & light (twice thinner than i-blue 747)
- it has built-in non-detachable battery.
- also it has built-in speaker which confirms every operation: pressing buttons, inserting memory card, establishing bluetooth connection. Those confirmations are very useful indeed.
- today I've checked only in Nav mode (I hadn't microSD at moment when logger was delivered to me). I can't confirm that reception is excellent, but it's also not bad.

Tomorrow I will continue: will try to check data logging and voice tagging

Comparision picture of Visiontac VGPS-900 and i-Blue 747:

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94687 Posts

Posted - 30 oct. 2008 :  01:16:49  Show Profile  Visit gpspassion's Homepage  Reply with Quote
Sounds good, I put your picture on the server, not sure why I couldn't link to it, maybe because of the ampersand.

I was concerned it might not be flat based on the promo picture above.

I take it you can turn off the sound?

I should be getting a test unit in a week or two so Ill be able to join in the fun ;-)

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80 Posts

Posted - 30 oct. 2008 :  10:43:39  Show Profile  Reply with Quote
Sound alerts are permanent, user cannot switch them off. Spy mode is the only exception (user manual claims that all sounds and LEDs are muted and disabled).

User cannot control device/download tracks via USB. It's a pity.

User should put microSD to USB reader to download tracks from logger or upload configuration settings to that device.

And still there is no any information/firmware&software updates on official site.
Hope it will appear there in the near future.

Still can't say anything about tracks. My office all-in-one card reader reads everything exept microSD :-) So, I will check in the evening at home.
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94687 Posts

Posted - 30 oct. 2008 :  12:21:26  Show Profile  Visit gpspassion's Homepage  Reply with Quote
Ah, but can the volume of the sound (commands and alerts) be adjusted all the same ? A loud beep would be annoying if you're setting the device (what can you set on board actually ?) or recording a waypoint and you get loud beeps !

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80 Posts

Posted - 30 oct. 2008 :  16:01:20  Show Profile  Reply with Quote
Actually beeps are not so loud and absolutely not annoying.
I cannot increase or decrease volume of those beeps.
There's special (and very pretty for java) utility TimeAlbum to manage device and it's tracks.

User can setup not so much:
- tracking mode: standard/professional
- overspeed alert Yes/No (and speed value 30..300kmh if yes)
- spy mode timer interval (in minutes, 1-100)
Setup data is generated by TimeAlbum in GONFIG.txt file which user should place in root folder of microSD card.

Log is stored in microSD card in CSV-format.
Here are examples of logs both in standard and professional mode:

standard mode:


professional mode:


Unfortunately, now GPSBabel cannot understand some tags (IMHO: tag,date,time, some zeros in textfile etc).
But I promise to tell them soon about that issue :-)

And here's link to user manual:
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64 Posts

Posted - 03 nov. 2008 :  07:03:51  Show Profile  Visit 4river's Homepage  Reply with Quote
I bought it from "buy GPS now".
The Log data is a fixed length, and the NULL(0x00) character has been added to the end of short data.
If NULL is deleted, the data size should be able to be reduced by about 20%.

I supported Columbus V-900 with NMEA2KMZ.

Edited by - 4river on 10 juin 2016 13:58:09
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803 Posts

Posted - 03 nov. 2008 :  21:28:39  Show Profile  Reply with Quote

I'll update BT747 ( to understand the 'V' tag type and the 'VOX' field. Latitude and longitude fields are also different ... .
I'ld also be interested in getting a raw log - did you try downloading anything using BT747 over USB? You say it is not possible, but could be tried.
I'ld also need information regarding the format (activation of VOX) to know if anything is in the format string. A communication log from BT747 should do.

Edited by - mdeweerd on 16 sept. 2009 13:33:36
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80 Posts

Posted - 03 nov. 2008 :  21:54:00  Show Profile  Reply with Quote
mdeweerd, nice to see ya here!

Unfortunately, it seems to me, USB port is intended only for charging.
To get any data user has to use card reader.

And - the greatest trouble is that there's no RAW, device stores data in own pseudo-CSV format.
That format has fixed fields length.
All fields are padded to their fixed size by zero-chars (exept "valid" field - it's padded with space)
VOX - in this filed the name of wav.file is stored (9 chars, without extension). This file is saved when user press a button for voice tagging current place.

About that "csv" format...

Every record has 15 comma-separated fixed length fields padded by zeros:

Field name    - length   - notes
INDEX         - 6 chars  - record number, no leading zeros and spaces
TAG           - 1 char   - T-trackpoing, C-waypoint, V-voicetagged point
DATE          - 6 chars  - YYMMDD
TIME          - 6 chars  - HHMMSS
LATITUDE N/S  - 10 chars - DD.DDDDDDN (last char: N or S)
LONGITUDE E/W - 11 chars - DDD.DDDDDDE (E or W; degree is leftpadded to DDD by zero)
HEIGHT        - 5 chars  - in meters
SPEED         - 4 chars  - in km/h, no decimals :-(
HEADING       - 3 chars  - degrees
FIX MODE      - 2 chars  - 3D (I've never seen smth else)
VALID         - 4 chars  - SPS or DGPS (SPS is padded with space)
PDOP          - 5 chars  - XX.XX (no leading zeros if above 1)
HDOP          - 5 chars  - XX.XX (no leading zeros if above 1)
VDOP          - 5 chars  - XX.XX (no leading zeros if above 1)
VOX           - 9 chars  - VOX00001 etc. - filename when TAG=V
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803 Posts

Posted - 03 nov. 2008 :  22:11:24  Show Profile  Reply with Quote
Try the bluetooth connection to get something out of it.

Also if you could send me the .csv file.

Update : The development version (1.60.15) at has a first implementation of CSV recognition. KML and HTML output will have some nice icons too. I'll add more support later - e.g., the fix mode is not recognized yet. The date, time and tag formats were different too.

Just point to the CSV file as the input and convert to whatever output you like.

Edited by - mdeweerd on 16 sept. 2009 13:34:00
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2 Posts

Posted - 04 nov. 2008 :  03:51:30  Show Profile  Reply with Quote

I also ordered this gps unit. Seems to nice little unit. Very happy!
I'm able to connect to a gps via bluetooth from my laptop. Getting those weird looking sentences out with a visualgps. mdeweerd is that what you're after?

regards Jcord
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80 Posts

Posted - 04 nov. 2008 :  16:46:13  Show Profile  Reply with Quote
mdeweerd, I couldn't find any dev version build, could you please make debug release? ;-)

I tried to connect via BT on my PDA
It shows some data in lat/lon/hght/time/geoid/calc and
Model:0000 (iBlue 737/Qstarz 810)
Firmware:M-core_2.02 (M-91)

When I press "Get log", it shows 0% and waits until I press Cancel button :)
On Ctrl tab it shows FixL 1000 and SBAS WAAS
On FMT tab it shows 1040384 records extimated (not correst, it has 25mln) and no boxes checked
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803 Posts

Posted - 04 nov. 2008 :  19:35:00  Show Profile  Reply with Quote
The dev version build can be installed through webstart: .

It has been added to the debug_releases page too now.

Your feedback seems to confirm that there is no integrated memory indeed.

There may be a method to configure through bluetooth since it does reply to requests (it returns model information and foirmware information).

Could you activate the 'Debug conn.' on PDA and send me the raw debug file - or for starters, just activate debug and send me the debug information logged in a file or in a memo (instructions for debugging are in a pdf in the download section on the sourceforge site).

Edited by - mdeweerd on 08 oct. 2009 00:16:31
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803 Posts

Posted - 04 nov. 2008 :  20:58:25  Show Profile  Reply with Quote
'' has the implementation for the CSV, KML, GPX and HTML output. Hopefully the generated links for the WAV files work ;-).
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