Research related posts in here

Aug
07
2013

Air Pressure Sensor

We decided we needed an accurate air pressure sensor for our payload instrument pack as well as to use in our cutdown electronics. We ordered two of the Honeywell air pressure sensors from Mouser Electronics. They were dispatched out of the US and arrived via FedEx in 4 days, not bad. The sensor we purchased […]

Jul
24
2013

Amateur Radio Standard License

The last few months have been spent focusing on studying for the next level of Amateur Radio exams which is the Standard Level. Information on getting this license in Australia is available at the Wireless Institute of Australia. This level of license allows us to use our own callsigns and legally use the radio transmitter […]

May
10
2013

SPOT and APRS Integration

The last balloon launch we participated flew a secondary SPOT tracker. Onceon the ground the SPOT was broadcasting its location of its exact location. This was great, however the SPOT tracking page is not very friendly to use in the field, especially on an iphone. SO we needed a way in the field to inject […]

Apr
01
2013

Electronics Electronics Electronics …

Well this project is all about learning and we sure have been on a steep learning curve with the electronics side of this project. Up until now its mainly been plugging things into the arduino that just work, but we have now been working on building and interfacing our own electronics modules and troubleshooting other […]

Nov
18
2012

Hot Wire Foam Cutter Version 2

As we are custom making the payload box out of foam, we needed to use a hot wire cutter to make sure the foam is cut accurately. We used the same setup and design from our original hot wire cutter and made the cutting section bigger so that we could cut foam in sizes up […]

Apr
24
2012

Amateur Radio Callsigns

Our official call signs finally came through … Our call signs are Todd – VK2FABX Mark – VK2FABZ We also received a certificate of competency which will hang proudly on the wall  

Mar
25
2012

Foundation Amateur Radio Licence

In Australia we need to be licenced to use APRS for balloon tracking. Over the last few weeks we have been studying for the foundation amateur radio license . The foundation licence is the entry level licence for an amateur radio operator. Today both Mark and I sat the theory, regulation and practical exams for […]

Feb
08
2012

Spot Testing

On the 30th of January,as part of my homework , I tested Spot. I went to school and put the Spot in the middle of the basketball court and pressed the i’m OK button. Then I showed my class the Spot website and on the map where I pressed the i’m OK button. The Spot […]

Jan
29
2012

Balloon Tracking – SPOT

The CHNSA team is still in the process of studying for our Amateur radio licenses and the next available test at our local club is the end of March 2012. So we will work on our backup balloon tracking device in the meantime. We have decided to use a SPOT satellite tracking device as secondary […]

Jan
21
2012

Foundation Amateur Radio License

We ordered a copy of “Your Entry Into Amateur Radio” which is published by the Wireless Institute of Australia (http://www.wia.org.au), which arrived today. Its the second edition has 108  very high quality glossy pages , which on first reading  looks well orgainsed and easy to understand. There are lots of pictures and diagrams so it will […]

Jan
19
2012

Research Research Research

As expected, we are on a steep learning curve with the new project, but we have been doing a bit of background research over the last 3 months or so to come up to speed. We have been researching the following – Balloon Suppliers – Kaymont in the US seems to be the supplier of […]

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