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| gpspassion |
Posted - 18 déc. 2006 : 20:33:49
REVIEWED - GLOBALSAT DG-100 DATA LOGGER
SiRFstarIII, 3 modes, 60,000 points, "mouse" GPS, 36 hour runtime
>> FULL REVIEW ON THE PORTAL <<
Questions, comments ? |
| 15 L A T E S T R E P L I E S (Newest First) |
| gpspassion |
Posted - 28 juin 2012 : 01:27:37
Thanks for sharing, not the most elaborate design but it certainly paved the way for "consumer" dataloggers. |
| Pixel_K |
Posted - 27 juin 2012 : 19:01:23
Oh yeah, an update about that old (in IT terms) piece of hardware !
I had to crack the case open because the battery compartment was glued shut by some unknown substance (really, I don't know).
I thought I would post the pictures here in case anybody would be interested.
(Click on the pictures to view them in full size) |
| gpspassion |
Posted - 03 oct. 2010 : 19:38:14
Here is a new tool by Pixel_K : DG100 Toolbox : http://www.gpspassion.com/forumsen/topic.asp?TOPIC_ID=137863 ;-) |
| thegoose |
Posted - 04 mars 2010 : 10:13:25
I'm trying to use DGManager.NET for data that I collected in Mumbai, India. The time zone here is UTC/GMT +5.5, and the software only seems to allow integer shifts in the "UTC Shift" window. Would it be possible to fix this "bug"? |
| jpo09 |
Posted - 20 nov. 2009 : 02:15:36
Thanks obruchez. I think my cable is OK, because the lights change when I plug it in, and it charges properly. I think it's more software-related, since the COM port is not even showing up in the Device Manager any more like it used to. I guess I'll try fiddling with the cable if all else fails, though. |
| obruchez |
Posted - 19 nov. 2009 : 19:03:49
quote:
NO NEED TO QUOTE A MESSAGE DIRECTLY ABOVE YOURS, MAKES THE FORUMS EASIER TO READ, THANKS ;-) GPSPASSION TEAM
My DG-100 "died" recently, but it was a problem with the USB cable. Have you tried to open your unit and move the cable? |
| jpo09 |
Posted - 19 nov. 2009 : 17:54:59
I've been using the DG-100 on a Vista system for several years without any problems. Recently the device stopped connecting to the application, and it looks like the Prolific COM port is gone from my Device Manager. I've tried uninstalling/reinstalling the app and the Prolific COM port driver, without success. Anyone else have problems dealing with disappearing COM ports on a Vista box? |
| kiwi_gbg |
Posted - 31 juil. 2009 : 17:09:21
Hi
quote:
Originally posted by kaintoch
Hi,
I've got a DG-100 and am quite annoyed by the Windows-Software and its export-to-several-formats "capabilities".
So i wrote a small awk script for converting the GlobalSat gsd format to gpx. Here it is. Maybe it's helpful for somebody.
Bye, Stefan
------------------------------ snip ------------------------------
function tograd(koord, len, tt, ret) {
ret = 0.0
len = length(koord)
tt = substr(koord, 1, len - 6)
ret = ret + tt
tt = substr(koord, len - 6 + 1, 6) / 600000.0
ret = ret + tt
return ret
}
...
Thanks for that awk script. Quite handy and I had no problems with it
until I converted a gsd file from my Gran Canaria trip. The longitude
ended being out a bit, so I ended up somewhere in the Atlantic instead of on land.
Some debugging of the GSD and GPX files showed that the conversion
function doesn't work properly for negative longitudes (or latitudes).
It ends up converting -15.2 as -15 + 2/6 = -14.666 instead of
-15 - 2/6 = -15.333. I altered one line in function tograd to give:
function tograd(koord, len, tt, ret) {
ret = 0.0
len = length(koord)
tt = substr(koord, 1, len - 6)
ret = ret + tt
tt = substr(koord, len - 6 + 1, 6) / 600000.0
if (substr(koord, 1, 1) == "-") { ret = ret - tt } else { ret = ret + tt }
return ret
}
|
| nadnerb |
Posted - 18 mai 2009 : 20:42:03
It's a 1.5ghz GPS antenna.
I'll check out GPX Editor, thanks |
| Pixel_K |
Posted - 18 mai 2009 : 19:52:19
Did you use à GPS antena (1,5GHz) or a Wifi antenna (2,5GHz) ? I now it seems trivial, but I have seen a few (bad) shops confusing the two (as the two can come in MMCX flavor).
By the way if you import the NMEA file in GPX Editor, you will see directly the number of sattelite of each record, along with HDOP and VDOP. |
| nadnerb |
Posted - 18 mai 2009 : 16:07:16
You need to put the device into "GPS Mouse" mode.
Not sure about Ubuntu, but with Windows you have at least 2 options:
- Using the supplied Globalsat software
- Using Pixel_K's DGManager.net software
Once in mouse mode you can then connect to the device over the serial port using any software which has this ability.
For testing purposes you can use HyperTerminal which is built into Win XP and I assume is still there in Vista.
Select the correct port and speed/baud rate (115200) and away you go.
Back to the topic of antennas...
I managed to get hold of a MMCX antenna and so far the results seem pretty impressive.
I did some tests with VisualGPS to capture the NMEA strings and then used Excel to analyse them. From this it seems that on average the antenna connects to 1.5 more satellites when compared to the built in antenna.
TTFF seems to be vastly improved too, less than 1 min compared to 2-3 minutes without.
I also tried it on my normal route to uni and just looking at the results in Google Earth it seems a lot more accurate when compared to the previous tracks collected without the external antenna.
I'll keep testing but so far it looks like it is a vast improvement. |
| Atreyu |
Posted - 14 mai 2009 : 00:27:14
Hey guys, I just purchased a DG-100 with the intention of doing some hobby surveying... Anyway, I was trying to find out how I can stream NMEA data from the DG-100 to any application? I am running ubuntu and Vista, but a NooB in Linux, so I am not really shure how to proceed. I had some issues making it work all together on ubuntu... Any suggestions? Highly appreciated! |
| nadnerb |
Posted - 10 mai 2009 : 19:37:32
Great, thanks for the reply.
I'll check out VisualGPS and GooPS.
Thanks again. |
| Pixel_K |
Posted - 09 mai 2009 : 21:58:36
Google earth is a really bad choice for using a NMEA output (no easy setup). You should try to use something else, like VisualGPS (don't forget to set COM port and baud rate 115200).
If you absolutely need to use Google Earth, you can try a third party tool like GooPs, but again GE is REALLY a bad choice for real time GPS tracking. |
| nadnerb |
Posted - 09 mai 2009 : 21:15:06
whoops!
Thanks for the reply.
Also, does anyone know how to get the mouse mode to work?
In the GlobalSat software I can get it into mouse mode and I see the NMEA sentences updating but I just can't get it to work with Google Earth 5.
I select the tools>GPS option, then Realtime>NMEA and start, but nothing happens.
I found some help files for GE 4 that said you may need to change change COM ports or baud rates, but it seems they don't exist in GE5.
Any help? |
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