GPS - Revision history

Ivc at 22:47, 2 April 2008

2008-04-02T22:47:37Z

← Older revision		Revision as of 22:47, 2 April 2008
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	As of ~~today (~~March 2008) the two best GPS chipsets available ~~are~~ the SiRF Star III and MTK MT3318. They offer fast initial fix and can utilize weak GPS signals by massive parallel correlation computing power [http://gpstekreviews.com/?p=19].		As of March 2008 the two best GPS chipsets available is the SiRF Star III and MTK MT3318. They offer fast initial fix and can utilize weak GPS signals by massive parallel correlation computing power [http://gpstekreviews.com/?p=19].

	== Holux GPSlim 240 GR-240==		== Holux GPSlim 240 GR-240==

Ivc: /* Holux GPSlim 240 GR-240 */

2008-04-02T22:37:29Z

Holux GPSlim 240 GR-240

← Older revision		Revision as of 22:37, 2 April 2008
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	This is a very small and light Bluetooth SPP (Serial Port Profile) compatible unit with USB support (USB-to-SERIAL cable). It features massive correlation computer power and excellent sensitivity.		This is a very small and light Bluetooth SPP (Serial Port Profile) compatible unit with USB support (USB-to-SERIAL cable). It features massive correlation computer power and excellent sensitivity.

	The small size makes it idea for internal installation in the [[Eee PC]].		The small size makes it idea for internal installation inside the [[Eee PC]]. The small power-switch on the side can accidentally be turned and disturb the operation of the device if it's in the pocket or backpack.

	'''Note:''' Initially I had problems getting it up and running from a cold start [http://www.aximsite.com/boards/gps-talk/151923-holux-gpslim-240-problem.html]. In HyperTerminal the COM-port was outputting unusable skewed data. After draining the battery (disconnecting the battery) it worked fine, instant lock.		'''Note:''' Initially I had problems getting it up and running from a cold start [http://www.aximsite.com/boards/gps-talk/151923-holux-gpslim-240-problem.html]. In HyperTerminal the COM-port was outputting unusable skewed data. After draining the battery (disconnecting the battery) it worked fine, instant lock.

Ivc: /* Holux M-1200 */

2008-04-02T22:32:59Z

Holux M-1200

← Older revision		Revision as of 22:32, 2 April 2008
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	== Holux M-1200 ==		== Holux M-1200 ==

	[[Image:Gps holux m-1200 unit.png]]		[[Image:Gps holux m-1200 unit.png]] [[Image:Gps holux data cable.png]]

	* Chipset: '''MTK MT3318'''		* Chipset: '''MTK MT3318'''

Ivc: /* Holux M-1200 */

2008-04-02T22:29:10Z

Holux M-1200

← Older revision		Revision as of 22:29, 2 April 2008
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	* Chipset: '''MTK MT3318'''		* Chipset: '''MTK MT3318'''

	The M-1200 looks and works much the same as the GPSlim 240. It's based on the latest MT3318 chipset and features 32 channel pipeline~~/queue~~, 5 Hz update frequency, and lower power usage.		The M-1200 looks and works much the same as the GPSlim 240. It's based on the latest MT3318 chipset and features 32 channel satellite tracking queue/pipeline, 1 to 5 Hz update frequency, and lower power usage.


	=== Enable 5 Hz ===		=== Enable 5 Hz ===

Ivc: /* Holux M-1200 */

2008-04-02T22:27:18Z

Holux M-1200

← Older revision		Revision as of 22:27, 2 April 2008
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	== Holux M-1200 ==		== Holux M-1200 ==

	Chipset: '''MTK MT3318'''		[[Image:Gps holux m-1200 unit.png]]

			* Chipset: '''MTK MT3318'''

	The M-1200 looks and works much the same as the GPSlim 240. It's based on the latest MT3318 chipset and features 32 channel pipeline/queue, 5 Hz update frequency, and lower power usage.		The M-1200 looks and works much the same as the GPSlim 240. It's based on the latest MT3318 chipset and features 32 channel pipeline/queue, 5 Hz update frequency, and lower power usage.

Ivc: /* Holux GPSlim 240 GR-240 */

2008-04-02T22:27:01Z

Holux GPSlim 240 GR-240

← Older revision		Revision as of 22:27, 2 April 2008
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	[[Image:Gps holux gpslim 240 unit.png]] [[Image:Gps holux operation.png]]		[[Image:Gps holux gpslim 240 unit.png]] [[Image:Gps holux operation.png]]

	Chipset: '''SiRF Star III - GSC (single chip)'''		* Chipset: '''SiRF Star III - GSC (single chip)'''

	This is a very small and light Bluetooth SPP (Serial Port Profile) compatible unit with USB support (USB-to-SERIAL cable). It features massive correlation computer power and excellent sensitivity.		This is a very small and light Bluetooth SPP (Serial Port Profile) compatible unit with USB support (USB-to-SERIAL cable). It features massive correlation computer power and excellent sensitivity.

Ivc: /* Holux GPSlim 240 GR-240 */

2008-04-02T22:26:52Z

Holux GPSlim 240 GR-240

← Older revision		Revision as of 22:26, 2 April 2008
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	== Holux GPSlim 240 GR-240==		== Holux GPSlim 240 GR-240==

			[[Image:Gps holux gpslim 240 unit.png]] [[Image:Gps holux operation.png]]

	Chipset: '''SiRF Star III - GSC (single chip)'''		Chipset: '''SiRF Star III - GSC (single chip)'''

	~~[[Image:Gps holux gpslim 240 unit.png]] [[Image:Gps holux operation.png]]~~

	This is a very small and light Bluetooth SPP (Serial Port Profile) compatible unit with USB support (USB-to-SERIAL cable). It features massive correlation computer power and excellent sensitivity.		This is a very small and light Bluetooth SPP (Serial Port Profile) compatible unit with USB support (USB-to-SERIAL cable). It features massive correlation computer power and excellent sensitivity.

Ivc: /* Holux GPSlim 250 GR-240 SiRF Star III */

2008-04-02T22:25:15Z

Holux GPSlim 250 GR-240 SiRF Star III

← Older revision		Revision as of 22:25, 2 April 2008
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	As of today (March 2008) the two best GPS chipsets available are the SiRF Star III and MTK MT3318. They offer fast initial fix and can utilize weak GPS signals by massive parallel correlation computing power [http://gpstekreviews.com/?p=19].		As of today (March 2008) the two best GPS chipsets available are the SiRF Star III and MTK MT3318. They offer fast initial fix and can utilize weak GPS signals by massive parallel correlation computing power [http://gpstekreviews.com/?p=19].

	== Holux GPSlim ~~250~~ GR-240 SiRF Star III ==		== Holux GPSlim 240 GR-240==

			Chipset: '''SiRF Star III - GSC (single chip)'''

	[[Image:Gps holux gpslim 240 unit.png]] [[Image:Gps holux operation.png]]		[[Image:Gps holux gpslim 240 unit.png]] [[Image:Gps holux operation.png]]

	This is a very small and light ~~bluetooth module~~ with USB support ~~by using a~~ USB-to-SERIAL cable.		This is a very small and light Bluetooth SPP (Serial Port Profile) compatible unit with USB support (USB-to-SERIAL cable). It features massive correlation computer power and excellent sensitivity.

			The small size makes it idea for internal installation in the [[Eee PC]].

	Initially I had problems getting it up and running from a cold start [http://www.aximsite.com/boards/gps-talk/151923-holux-gpslim-240-problem.html]. In HyperTerminal the COM-port was outputting unusable skewed data. After draining the battery (disconnecting the battery) it worked fine, instant lock.		'''Note:''' Initially I had problems getting it up and running from a cold start [http://www.aximsite.com/boards/gps-talk/151923-holux-gpslim-240-problem.html]. In HyperTerminal the COM-port was outputting unusable skewed data. After draining the battery (disconnecting the battery) it worked fine, instant lock.

	=== Disable DGPS ===		=== Disable DGPS ===

Ivc: /* MTK MT3318 */

2008-04-02T22:19:11Z

MTK MT3318

← Older revision		Revision as of 22:19, 2 April 2008
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	* [http://www.gpspassion.com/forumsen/topic.asp?TOPIC_ID=60637 NMEA Proprietary Commands (SiRF, NemeriX)]		* [http://www.gpspassion.com/forumsen/topic.asp?TOPIC_ID=60637 NMEA Proprietary Commands (SiRF, NemeriX)]

	== MTK MT3318 ==		== Holux M-1200 ==

			Chipset: '''MTK MT3318'''

			The M-1200 looks and works much the same as the GPSlim 240. It's based on the latest MT3318 chipset and features 32 channel pipeline/queue, 5 Hz update frequency, and lower power usage.


	=== Enable 5 Hz ===		=== Enable 5 Hz ===

Ivc: /* Holux GPSlim 250 GR-240 SiRF Star III */

2008-04-02T22:10:17Z

Holux GPSlim 250 GR-240 SiRF Star III

← Older revision		Revision as of 22:10, 2 April 2008
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	== Holux GPSlim 250 GR-240 SiRF Star III ==		== Holux GPSlim 250 GR-240 SiRF Star III ==

			[[Image:Gps holux gpslim 240 unit.png]] [[Image:Gps holux operation.png]]

	This is a very small and light bluetooth module with USB support by using a USB-to-SERIAL cable.		This is a very small and light bluetooth module with USB support by using a USB-to-SERIAL cable.