Sep
24
2014

APRS Mobile iGate

When balloons we are tracking are at low attitude on launch and descent the closest iGates can be 100km or more away and we dont get updated from the onboard trackers. To help get accurate positions we have installed APRS iGate software on our laptop and connected to our Kenwood TH-D72A. APRSISCE is developed by […]

Google Balloon
Sep
18
2014

Google Balloon spotted over Sydney

We spotted a Google Balloon flying over Sydney. We heard on the radio people reporting a UFO, which we knew would be a rocket casing or a balloon .. it usually is. SO went out the back with binoculars and a telescope and spotted it This was a pic with an iphone through the telescope […]

IMG_6498
Sep
12
2014

Redundant Pressure Shield – cutdown

We have finished the pressure shield in its redundant configuration. It can work in a single standalone or dual redundant mode. Based on Arduino Elevens with custom shield. Uses a timer cutdown as well as air pressure measurements to shutdown the cutdown and “safe” the nichrome cutters.

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