[OZAPRS] PICO balloon with APRS tracker and SSDV imaging payload Mel-Syd

vk2ycj at bravo.net.au vk2ycj at bravo.net.au
Sun Jun 22 21:38:13 EST 2014


Andy,

Another great effort.  I drove up to Greta and Branxton west of Newcastle
tonight to try and hear it on my 2m radio.  A strobe with a remote
receiver would be amazing - only kidding.

Hydrogen is a fair bit cheaper than helium I think - but a bit more
dangerous.

How many litres of helium do you use on a mission and what is the cost ?



I think hydrogen gives 1 gram of lift per litre of volume.


All the best,   Jamie VK2YCJ


> Helium Andrew,
> Regards
> Andy
> On 22 Jun 2014, at 8:09 pm, Andrew Rich <vk4tec at tech-software.net> wrote:
>
>> What gas ?
>>
>> Andrew
>>
>> Sent from my iPhone
>>
>> On 22 Jun 2014, at 9:12 am, Andy Nguyen <an at comms.net.au> wrote:
>>
>>> Hi all,
>>>
>>> FYI, PS-10 PICO balloon is in the air.
>>>
>>> Party foil balloon
>>>
>>> 16g payload with digital camera
>>>
>>> 10mW TX
>>>
>>> APRS 145.175Mhz, callsign is VK3YT-10
>>>
>>> Images sent in SSDV format, on 434.500Mhz RTTY 300baud, 600Hz shift, 8,
>>> 1, None.
>>> Image callsign is PS
>>> Images can be seen at http://ssdv.habhub.org when available.
>>>
>>>
>>> Tracking:
>>> http://aprs.fi/#!mt=roadmap&z=9&call=a%2FVK3YT-10&timerange=86400&tail=86400
>>>
>>> More details on picospace.net
>>>
>>>
>>> Regards,
>>> Andy VK3YT
>>> _______________________________________________
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>>> OZAPRS at aprs.net.au
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