[Loadstone] iblue receivers questions

Chip Orange Corange at psc.state.fl.us
Fri Oct 30 14:19:17 GMT 2009

Hi Kerry,
I just bought the 747A plus, but I am unable to use GPSView or DataLog
with my screen reader (window eyes); I'm just not able to make out many
controls and can't find any meaningful documentation.
How are you using this?  I want to setup and log data in particular; are
you able to use these because you have some vision?
Chip Orange


Chip Orange
Database Administrator
Florida Public Service Commission

Chip.Orange at psc.state.fl.us
(850) 413-6314

 (Any opinions expressed are solely those of the author and do not
necessarily reflect those of the Florida Public Service Commission.)



	From: loadstone-bounces at loadstone-gps.com
[mailto:loadstone-bounces at loadstone-gps.com] On Behalf Of Kerry Hoath
	Sent: Thursday, October 29, 2009 9:10 AM
	To: General discussion pertaining to the Loadstone GPS program
	Subject: [Loadstone] iblue receivers questions
	I have been a loadstone user since December 2006 however the
answers to the following questions still escape me.
	Firstly, I notice a 10 meter or so difference between a sedio
2010 and a globalsat bt338 verses the sedio 2110.
	Anyone else seen this? Anyone want to crunch some logs if I can
provide them? points made on the globalsat and the 2010 are 10 meters
out when viewed on other receivers I have the sedio 2110, a deluo
datalogger using mtk chipset and an iblue 737a+ and 747a+.
	I have 3 iblue receivers, 2 737a+ units and a 747 datalogger.
	Manual claims you can load differential data to the receiver to
shorten time to first fix.
	Is this worth doing? I assume it is done by using gpsview and
hitting query update although not sure which buttons to hit in what
	Does gps have to have a fix for this to work? This is possible I
can take a netbook outside and have a fix and get access to the net.
	Should loadstone show any difference i.e. differential fix, and
is uploading ephemeris data even worth the time?
	Iblue receivers seem to show more satelites more often however
they don't seem to hold on as long as the SiRf3 units I have if they
loose a signal it's just gone so you often oscillate between no signal
and a fix rapidly at times. Anyone else seen this?
	Any other hints on the inblue receivers welcome.
	Not sure if I have just done my money on receivers that aren't
cool or whether the agps is worth having.
	Regards, Kerry.

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