Author Archives: John san

GPS accuracy testing at 0 degrees East

…When East Isn’t East. Where better to test the accuracy and resoution of your GPS devices than the agreed ‘Prime Meridian of the World’ at the Royal Observatory in Greenwich, where east meets west at zero degrees of longitude? I … Continue reading

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Improving GPS accuracy with EGNOS

One of the things we learned from our field trials this August was that the on-board GPS in our Android phones (HTC Desire, Nexus One) doesn’t resolve position as accurately as we’d like, often only achieving a 10m ‘accuracy’ (as … Continue reading

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Field Trials at Coombs Quarry.

For Out There and In Here’s first major field trials on August 23rd and 27th, we visited Coombs Quarry. Our ‘Out There’ teams examined the stone at Old Thornborough Bridge and reported back to the waiting ‘In Here’ team by … Continue reading

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New ideas from GEES Plymouth

During our visit to the GEES Learning and Teaching conference in Plymouth last week, we were introduced to some interesting new people and ideas.  We discovered that there’s a fairly similar project to OTIH in Kingston – the MoRSE project … Continue reading

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OTIH visits ‘GEES Learning and Teaching’.

Last week (7-9th July) some of the Out There In Here team visited Plymouth for the “GEES Teaching and Learning” conference. We demonstrated key project technologies to conference delegates at a field trip to the Devon Great Consols historic mine … Continue reading

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Applications for Android

Here’s a quick review of the applications we’ve looked at for the Android phones for Out There In Here, now that the latest HTC Desire handsets have been delivered. Some of these applications may need downloading as .apk files and … Continue reading

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Location tracking with Big Brother GPS.

A slightly obscure Android application called Big Brother GPS allows us to track the location of a phone by displaying the output of the phone’s GPS receiver. A PHP script on a web server will display the location and show … Continue reading

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Testing services on site

During a visit to three potential field-trial sites on May 10th with our new geologist Dr.  Jill Eyres, we measured on-site 3G signal strength and tested available bandwidth. As we don’t want to reveal the location of these sites the … Continue reading

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Video Streaming with Bambuser, part 2

Live video over WiFi and HSDPA. Last Friday we tested several video streams from the Nexus One to the Open University using both WiFi and 3G/HSDPA. The streaming software Bambuser on the phone proved to be easy to use and … Continue reading

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Video streaming with Bambuser, part 1.

Site survey with Cell Mapper and Iperf. Tomorrow I plan to stream some video over both wifi and 3G/HSDPA links from the Nexus One to the Open University using Bambuser. Today I used Android software tools Cell Mapper and Iperf … Continue reading

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