Question about Cobra GPS500 GPS Receiver

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GPS 500 Performance is very poor. I didn't know how poor 'til I got one (another brand) that worked. Are there any downloads/upgrades available and woth doing?

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Re: GPS 500

Same here. Unit was completely unusable. Returned to retailer and got a cheap Garmin etrex instead.

Posted on Feb 24, 2009

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How do i update map and software data online for my trax 430



If you are used to using an atlas or other map, you probablyalready know that new maps are issued each year because of changes on theroads. The same thing applies to the maps on GPS units. This means that if youhave a GPS unit, you need to update your GPS software regularly to make surethat you have the latest information. Each GPS manufacturer makes softwareupgrades available for GPS unit owners. Here are tools and instruction below
USB cable (as tool)
1 Visit the website forthe manufacturer of your GPS unit, such as Garmin or Magellan.
2 Go to the"Support" section of the site and then the "Downloads"area. This is where the latest upgrades are available for download.
3 Log in if you already havean account or key in the serial number of your GPS unit. Typically you get onefree upgrade on your unit, which is tracked by the serial number, which is whyyou have to enter it or have an account.
4 View the latest softwareupdates once you are logged in or have entered in the serial number. If you areeligible for the free upgrade, you will see it listed with no cost. If not, youwill see a price listed by the upgrade. Prices vary by manufacturer andupgrade, but average around $80 as of 2010.
5 Download the upgrade to yourcomputer or order the upgrade disk. According to CC Electronics & Gadgets,there is no difference between the two upgrade files. If you want to do animmediate update to the unit, you should download the upgrade instead of waitingfor the disk to arrive by mail.
6 Connect your GPS unit toyour computer with the USB cable that came packaged with it. When you do, theGPS update software will launch on your computer. If you have never installedthe GPS software onto your computer, you will need to use the disk that camewith the unit to install it so that it will launch for you.
7 Confirm that you want tosync the unit with the upgrade file that you download, or on the disk if youare using a disk. This will install the upgrade to your GPS unit. When itcompletes, you will get a message on your screen letting you know that it isdone. You can now disconnect the GPS from the computer. Thanks

Sep 18, 2011 | Uniden TRAX-430 GPS Receiver

1 Answer

Brand new skyscout error message "a

The unit requires service. Mine does the same and that's what Celestron told me. If anyone knows a work around for this issue I would be very interested in hearing it as well.

Oct 30, 2010 | Celestron SkyScout 93970 GPS Receiver

1 Answer


Hello and welcome to fixya.

I see you have not included the brand and model of your gps, those would be helpful.

It sounds like there are no maps installed in the GPS, you would have to connect it to your computer, install the software that came with it and possibly a CD that contains the maps.

You would have to install the software cd and then the maps cd if it is on different disk.

The user manual that came with your product will have instructions on how to load the maps into the gps.

The gps will not be able to update the maps if there are no maps installed there. As for download, I do not know what you are attempting to download.

Please follow the instructions and let me know how it goes. If you do need further assistance then please atleast include the brand and model of your machine, also it would be helpful to let me know what happened before the issue came up, did you delete files from the gps or? is this a brand new unit?


Dec 27, 2009 | GPS Devices

5 Answers

"Poor GPS Reception" error on iPhone Tom Tom GPS

Unfortunately it appears the iPhone's GPS chip isn't up to much as we've all suspected. Some people can get it working while many are reporting, like you, that they get drop outs and poor signal strength errors. This is happening accross all the iPhone Sat Nav apps so it points the finger at the GPS chip itself, especially as many of these people are stating they have dedicated tomtoms and the like that work fine. I've tried Copilot, tomtom and others on the iPhone 3GS and none are able to keep signal long enough to be any good. In fact they are a complete waste of money. It's no suprise Tomtom are releasing a cradle for the iPhone which includes a seperate more powerful GPS receiver...

Aug 27, 2009 | Tomtom GO 930 GPS Receiver

1 Answer

L am looking for map updates for nextar gps

Unfortunately Nextar GPS systems come with only USA/Canada or UKmaps , maps for other regions are not available, and there are also not much upgrade.
Maps from third party usually do not work on this unit.
The only way to know if a download is available is simply calling them at their toll free numbers, they do not make available online downloads:

Technical Support

Technical Support (For U.K. Only)

The good thing is that upgrades and map are both free, while on other models you have to pay for maps.

Give them a call to unlock a download to latest map.


May 06, 2009 | Nextar X3-03 Car GPS Receiver

1 Answer

Need upgrade on GPS sanyo #NVM-4070

I just found out there is only one solution to this problem. We have to buy a new GPS. A customer service Rep just told me that there are no updates available. Call 1-800-421-5013

Dec 14, 2008 | Sanyo EasyStreet NVM4070 GPS Receiver

3 Answers

Updating new information into X3-T


I just want to know how to up grade new information on my X3-T.

Thank you,

D McCray

Aug 14, 2008 | Nextar X3B GPS Navigation System

2 Answers


The cd is available through the cost is $74.99

Nov 26, 2007 | Lowrance Iway 500c GPS Receiver

2 Answers

Gps loses signal

It would be good to make sure that the 951 software is up to date. The most recent software upgrade includes new code required due to changes that have been made to the GPS system. You can download the software for free from the Northstar web site but it requires a loader cable, power supply and a Windows based PC to perform the update. Most Noprthstar dealers know how to do this but they will charge for their time. The GPS antenna should be mounted where it has a 360 degree uninhibited view of the sky right down to the horizon to get best performance. Basicially any conductive material including pigmented paint, tinted glass or wet canvas can block the signal. Inspect the GPS coaxial cable and it's connections for any signs of corrosion or contamination. Sometimes just removing and reinstalling the connections is enough to remove contamination and get better performance. If in doubt concerning the coax and it's connections, temporaily substitute a new coax assy by-passing the existing cable to see if this makes a difference. You can monitor changes from the GPS status page. See the user manual for information concerning how to understand the numbers being presented. You should be tracking at least 4 SATs with signal levels higher than 30. Generally 95% of all GPS signal issues are related to the coax or its connections.
coax assy to v

Jul 26, 2007 | Northstar 951XW GPS Receiver

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