Q-1000X: Qstarz BT-Q1000X Bluetooth Data Logger GPS Receiver (66 ch, 1-5Hz Update Rate, AGPS, 200,0

• Time to First Fix (TTFF) : < Average 1/33/35 sec. (Hot/Warm/Cold start) AGPS: < 15 sec.
• Output Message : NMEA 0183 v3.01 (Default: GGA, GSA, GSV, RMC; Optional: VTG, GLL)
• Accuracy : Without aid: 3.0m 2D-RMS <3m CEP(50%) without SA(horizontal) DGPS (WAAS, EGNOS, MSAS):2.5m
• Frequency: 1 - 5 Hz user configurable
• Dimension: 72.2 (L) X 46.5 (W) X 20 (H) mm

This is my first GPS logger, but so far I'm very happy with it. I bought it just in time for a trip to the Puget Sound. This thing worked like a charm, be it Olympic Nat'l Park, Victoria, or Seattle. The only place I had a problem was in the EMP in Seattle, and that was surly due to the thick interior walls.

The software works as it should. Because I shoot RAW, and I use gpicsync to actually write the data to the EXIF, but as far as getting the data, the included software works perfectly.

Oh, and the battery life is amazing. I would usually charge this every night, but it could easily go a couple days (being turned off at night).

Haven't used the Bluetooth feature, can't really think of any uses as this point.

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On a recent AMTRAK Auto-Train ride from Virgina to Florida, I used two GPS devices. One was an Earthmate BT-20 providing GPS data to Street Atlas software on a Samsung netbook * . This provided a moving map display and a recorded bread-crumb trail.

The other was the QSTARZ BT-Q1000X used as a stand-alone recorder.

Both devices were suction-cupped to the window.

The Earthmate completely lost satellite lock on significant portions of the train ride. This happened most often in places where tall trees were close to the tracks. It also seemed to happen when the train changed directions by more than about 45 degrees. It was as if the device was too slow to lock on to the satellites newly visible on that side of the train. When it lost lock, it was very slow to regain it while moving.

In contrast, the QSTARZ never lost satellite lock and provided a complete log of the entire trip. It also provided a complete log of the car trip back to Virginia. I had purchased the QSTARZ a couple of days before the trip and was not aware of all of it's capabilities. After the trip, I discovered that the QSTARZ is compatible with Street Atlas and will provide a moving-map display and a bread-crumb trail. It only requires that the QSTARZ be in the "NAV" mode and that Street Atlas be set to "Automatically detect GPS". From now on, the Earthmate will be in the bottom of the bag as a back-up.

The QSTARZ is more sensitive than any GPS device I have owned, including the Garmin GPS III, and the Tom Tom GO-630. It is so sensitive that I have to wrap aluminum foil around it when I am trying to erase the current log file, because it sits there recording while I am trying to erase. And this is 20 feet from the nearest window.

I highly recommend this product.

* Windows XP SP3

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Does what its supposed to do, tracks GPS coordinates. Battery life great. The problem I encountered is with the QTravel software provided with the unit. Software is able to capture data points from unit, but when I tried to export to a GPX file so I could import into Lightroom I found the resulting file was missing large chuncks of data. I spent a lot of time with their support staff, they not the most responsive but willing to try to help, We were able to determine that there was a bug in QTravel, but Qstarz Data Viewer, also provided, would export correctly. I asked when Qtravel software would be updated, but got no response. All in all, its working for my purpose and I'm happy with it now.

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I bought this device for the purpose of using the Trackaroo Trackmaster app for Android on my Evo 4G. Below are the pros and cons of my experience:

Pros:

Amazing battery life and sleep features. Once setup for the weekend's track event just leave it on and forget about it.

Very accurate at 5hz though tricky to set (see cons)

Locks on to satellites fast even indoors

Wakes from sleep mode on Bluetooth request which helps a lot with battery life.

Used for a two day motorcycle track event and worked flawlessly.

Cons:

The included software is a bit of a mess. It works and does what it needs to but it's sort of all over the place.

Setting the sampling Hz rate is done in a special app but not available in the other apps GPS setup menus.

The battery life indicator has no gradations. You don't know how much power is left.

If you plan to use it for events practice with it on your commute to work or around town. It's easy to use once setup but it does take some getting used to. You don't want to be figuring all this out five minutes before your session starts :).

I had originally ordered the 818X and received this device. Returned it for the 818X and received this device again. So I decided keep it if they really wanted me to have the more expensive unit :).

Highly recommended. I bought one for my girlfriend too who rides the track with me. The data isn't always kind to the ego hahaha.

It works exactly as promised. But I wish that I had bought a devise with a minimal display that shows speed, altitude, distance traveled so I could also use it when exercising.